An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function

zetlyn/cve-nvd vulnerability cve CVE-2026-51996 known 2026-09-24

https://nvd.nist.gov/vuln/detail/CVE-2026-51996

Properties

automatable

yes

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	yes
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

cvss

9.8

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: 2026-09-29 09:39 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

cvss_vector

CVSS: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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

cwe

CWE-328

receipt

Source: NVD
Its words: CWE-328
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CWE-328
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

exploitation

none

No evidence of exploitation, and no public proof of concept.

receipt

Source: NVD
Its words: none
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	none
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

product

n/a

receipt

Source: NVD
Its words: n/a
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	n/a
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

severity

CRITICAL

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CRITICAL
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

status

Deferred

receipt

Source: NVD
Its words: Deferred
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:39 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

technical_impact

total

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	total
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

vendor

n/a

receipt

Source: NVD
Its words: n/a
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	n/a
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function"
      }
    ],
    "id": "CVE-2026-51996",
    "lastModified": "2026-09-29T16:17:08.197",
    "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-51996",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-29T02:22:07.273180Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-24T15:17:23.280",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/geelen/mcp-remote/security/advisories"
      },
      {
        "source": "cve@mitre.org",
        "url": "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-328"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  }
}

Text

An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function