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Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType i…

cve CVE-2025-71333 1 source, 1 claim · Watch

NVD writes:
Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise. the claim
Severity
CRITICAL NVD
CVSS
9.8 NVD
Vendor
Flowise NVD
Product
Flowise NVD
CWE
CWE-73 NVD

How far exploitation has got

  1. No public code known
  2. Proof of concept
  3. Proof of concept, verified
  4. A Metasploit module
  5. Exploited in the wild
  6. Used in ransomware campaigns

Timeline

2026-06-25first spoke of it: Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.NVD

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.

What it is to other things

affectsflowiseai/flowise
NVD
made_byflowiseai
NVD

In words only, so not counted until a person confirms one:

made_byflowise
NVD says “Flowise”
affectsflowise/flowise
NVD says “Flowise · Flowise”
Every value, with what each source said and its receipt
PropertySourceSaidMeans here
Automatable
automatable
NVDyes
An attacker can reliably run all of the kill chain's first four steps without a person.
receipt
Source
NVD
Its words
yes
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCyes
2026-10-02 12:00 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
            "vendor": "Flowise",
            "versions": [
              {
                "lessThanOrEqual": "2.2.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "disclosure@vulncheck.com"
      }
    ],
    "configurations": [
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                "criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BEF76A47-A67D-4D6D-82BE-FDB63DC04D51",
                "versionEndIncluding": "2.2.4",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise."
      },
      {
        "lang": "es",
        "value": "Flowise hasta la versión 2.2.4 contiene una vulnerabilidad de carga arbitraria de archivos no autenticada en el endpoint /api/v1/attachments cuando storageType está configurado como local. Los atacantes pueden explotar el salto de ruta en los parámetros chatId y chatflowId para cargar archivos maliciosos en directorios arbitrarios, lo que podría permitir la ejecución remota de código y el compromiso del servidor."
      }
    ],
    "id": "CVE-2025-71333",
    "lastModified": "2026-09-30T16:10:00.223",
    "metrics": {
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            "confidentialityImpact": "HIGH",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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    "sourceIdentifier": "disclosure@vulncheck.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
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  }
}
—
CVSS
cvss
NVD9.8
receipt
Source
NVD
Its words
9.8
Read by
field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
{
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      {
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            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
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      },
      {
        "lang": "es",
        "value": "Flowise hasta la versión 2.2.4 contiene una vulnerabilidad de carga arbitraria de archivos no autenticada en el endpoint /api/v1/attachments cuando storageType está configurado como local. Los atacantes pueden explotar el salto de ruta en los parámetros chatId y chatflowId para cargar archivos maliciosos en directorios arbitrarios, lo que podría permitir la ejecución remota de código y el compromiso del servidor."
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—
Cvss4
cvss4
NVD9.3
receipt
Source
NVD
Its words
9.3
Read by
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Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTC9.3
2026-10-02 12:00 UTC—
What the source handed over
{
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}
—
Cvss4 vector
cvss4_vector
NVDCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
receipt
Source
NVD
Its words
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Read by
field:cve.metrics.cvssMetricV40[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV40[].cvssData.vectorString
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
2026-10-02 12:00 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
            "vendor": "Flowise",
            "versions": [
              {
                "lessThanOrEqual": "2.2.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "disclosure@vulncheck.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BEF76A47-A67D-4D6D-82BE-FDB63DC04D51",
                "versionEndIncluding": "2.2.4",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise."
      },
      {
        "lang": "es",
        "value": "Flowise hasta la versión 2.2.4 contiene una vulnerabilidad de carga arbitraria de archivos no autenticada en el endpoint /api/v1/attachments cuando storageType está configurado como local. Los atacantes pueden explotar el salto de ruta en los parámetros chatId y chatflowId para cargar archivos maliciosos en directorios arbitrarios, lo que podría permitir la ejecución remota de código y el compromiso del servidor."
      }
    ],
    "id": "CVE-2025-71333",
    "lastModified": "2026-09-30T16:10:00.223",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "disclosure@vulncheck.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-71333",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-27T02:31:22.938469Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-25T22:16:59.010",
    "references": [
      {
        "source": "disclosure@vulncheck.com",
        "tags": [
          "Vendor Advisory",
          "Exploit"
        ],
        "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g"
      },
      {
        "source": "disclosure@vulncheck.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Vendor Advisory",
          "Exploit"
        ],
        "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g"
      }
    ],
    "sourceIdentifier": "disclosure@vulncheck.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-73"
          }
        ],
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ]
  }
}
—
CVSS vector
cvss_vector
NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
receipt
Source
NVD
Its words
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Read by
field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2026-10-02 12:00 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
            "vendor": "Flowise",
            "versions": [
              {
                "lessThanOrEqual": "2.2.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "disclosure@vulncheck.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BEF76A47-A67D-4D6D-82BE-FDB63DC04D51",
                "versionEndIncluding": "2.2.4",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise."
      },
      {
        "lang": "es",
        "value": "Flowise hasta la versión 2.2.4 contiene una vulnerabilidad de carga arbitraria de archivos no autenticada en el endpoint /api/v1/attachments cuando storageType está configurado como local. Los atacantes pueden explotar el salto de ruta en los parámetros chatId y chatflowId para cargar archivos maliciosos en directorios arbitrarios, lo que podría permitir la ejecución remota de código y el compromiso del servidor."
      }
    ],
    "id": "CVE-2025-71333",
    "lastModified": "2026-09-30T16:10:00.223",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "disclosure@vulncheck.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-71333",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-27T02:31:22.938469Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-25T22:16:59.010",
    "references": [
      {
        "source": "disclosure@vulncheck.com",
        "tags": [
          "Vendor Advisory",
          "Exploit"
        ],
        "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g"
      },
      {
        "source": "disclosure@vulncheck.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Vendor Advisory",
          "Exploit"
        ],
        "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g"
      }
    ],
    "sourceIdentifier": "disclosure@vulncheck.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-73"
          }
        ],
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ]
  }
}
—
CWE
cwe
NVDCWE-73
receipt
Source
NVD
Its words
CWE-73
Read by
field:cve.weaknesses[].description[].value
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCCWE-73
2026-10-02 12:00 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
            "vendor": "Flowise",
            "versions": [
              {
                "lessThanOrEqual": "2.2.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "disclosure@vulncheck.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BEF76A47-A67D-4D6D-82BE-FDB63DC04D51",
                "versionEndIncluding": "2.2.4",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise."
      },
      {
        "lang": "es",
        "value": "Flowise hasta la versión 2.2.4 contiene una vulnerabilidad de carga arbitraria de archivos no autenticada en el endpoint /api/v1/attachments cuando storageType está configurado como local. Los atacantes pueden explotar el salto de ruta en los parámetros chatId y chatflowId para cargar archivos maliciosos en directorios arbitrarios, lo que podría permitir la ejecución remota de código y el compromiso del servidor."
      }
    ],
    "id": "CVE-2025-71333",
    "lastModified": "2026-09-30T16:10:00.223",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "disclosure@vulncheck.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-71333",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-27T02:31:22.938469Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-25T22:16:59.010",
    "references": [
      {
        "source": "disclosure@vulncheck.com",
        "tags": [
          "Vendor Advisory",
          "Exploit"
        ],
        "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g"
      },
      {
        "source": "disclosure@vulncheck.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "Vendor Advisory",
          "Exploit"
        ],
        "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g"
      }
    ],
    "sourceIdentifier": "disclosure@vulncheck.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-73"
          }
        ],
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ]
  }
}
—
Exploitation
exploitation
NVDpoc
A public proof of concept exists, or exploitation is trivial.
receipt
Source
NVD
Its words
poc
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCpoc
2026-10-02 12:00 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
            "vendor": "Flowise",
            "versions": [
              {
                "lessThanOrEqual": "2.2.4",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "disclosure@vulncheck.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
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                "versionEndIncluding": "2.2.4",
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        "lang": "en",
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      },
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        "lang": "es",
        "value": "Flowise hasta la versión 2.2.4 contiene una vulnerabilidad de carga arbitraria de archivos no autenticada en el endpoint /api/v1/attachments cuando storageType está configurado como local. Los atacantes pueden explotar el salto de ruta en los parámetros chatId y chatflowId para cargar archivos maliciosos en directorios arbitrarios, lo que podría permitir la ejecución remota de código y el compromiso del servidor."
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    ],
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}
—
Product
product
NVDFlowise
receipt
Source
NVD
Its words
Flowise
Read by
field:cve.affected[].affectedData[].product
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
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              }
            ],
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          }
        ]
      }
    ],
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      },
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}
—
Severity
severity
NVDCRITICAL
From the CVSS base score at 9.0 and above.
receipt
Source
NVD
Its words
CRITICAL
Read by
field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCCRITICAL
2026-10-02 12:00 UTC—
What the source handed over
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      {
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          {
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            "product": "Flowise",
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            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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            "providerUrgency": "NOT_DEFINED",
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            "vulnConfidentialityImpact": "HIGH",
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}
critical
Status
status
NVDAnalyzed
receipt
Source
NVD
Its words
Analyzed
Read by
field:cve.vulnStatus
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
{
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      {
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          {
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            "packageURL": "pkg:npm/flowise",
            "product": "Flowise",
            "vendor": "Flowise",
            "versions": [
              {
                "lessThanOrEqual": "2.2.4",
                "status": "affected",
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              }
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      }
    ],
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}
—
Technical impact
technical_impact
NVDtotal
The attacker gains full control of the component, or all of its information.
receipt
Source
NVD
Its words
total
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since
2026-10-06 12:29 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:29 UTCtotal
2026-10-02 12:00 UTC—
What the source handed over
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}
—
Vendor
vendor
NVDFlowise
receipt
Source
NVD
Its words
Flowise
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
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}
—
Every claim, by kind

vulnerability

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.
zetlyn/cve-nvd · 2026-06-25
automatable yes cvss 9.8 cvss4 9.3 cvss4_vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cwe CWE-73 exploitation poc product Flowise severity CRITICAL status Analyzed technical_impact total vendor Flowise source