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LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml data providers are restored when a document is loaded.

cve CVE-2026-63268 1 source, 1 claim · Watch

NVD writes:
LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml data providers are restored when a document is loaded. the claim

What it is to other things

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

affectsthe_document_foundation/libreoffice
NVD says “The Document Foundation · LibreOffice”
made_bythe_document_foundation
NVD says “The Document Foundation”

What each source says

PropertySourceSaidMeans here
Product
product
NVDLibreOffice
receipt
Source
NVD
Its words
LibreOffice
Read by
field:cve.affected[].affectedData[].product
Said since
2026-10-05 12:23 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "LibreOffice",
            "vendor": "The Document Foundation",
            "versions": [
              {
                "lessThan": "< 26.2.5",
                "status": "affected",
                "version": "26.2",
                "versionType": "26.2 series"
              }
            ]
          }
        ],
        "source": "security@documentfoundation.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml data providers are restored when a document is loaded."
      }
    ],
    "id": "CVE-2026-63268",
    "lastModified": "2026-10-05T12:17:10.853",
    "metrics": {
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "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": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/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": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "security@documentfoundation.org",
          "type": "Secondary"
        }
      ]
    },
    "published": "2026-10-05T12:17:10.853",
    "references": [
      {
        "source": "security@documentfoundation.org",
        "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2026-63268"
      }
    ],
    "sourceIdentifier": "security@documentfoundation.org",
    "vulnStatus": "Received",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-200"
          }
        ],
        "source": "security@documentfoundation.org",
        "type": "Secondary"
      }
    ]
  }
}
—
Status
status
NVDReceived
receipt
Source
NVD
Its words
Received
Read by
field:cve.vulnStatus
Said since
2026-10-05 12:23 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "LibreOffice",
            "vendor": "The Document Foundation",
            "versions": [
              {
                "lessThan": "< 26.2.5",
                "status": "affected",
                "version": "26.2",
                "versionType": "26.2 series"
              }
            ]
          }
        ],
        "source": "security@documentfoundation.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml data providers are restored when a document is loaded."
      }
    ],
    "id": "CVE-2026-63268",
    "lastModified": "2026-10-05T12:17:10.853",
    "metrics": {
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "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": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/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": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "security@documentfoundation.org",
          "type": "Secondary"
        }
      ]
    },
    "published": "2026-10-05T12:17:10.853",
    "references": [
      {
        "source": "security@documentfoundation.org",
        "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2026-63268"
      }
    ],
    "sourceIdentifier": "security@documentfoundation.org",
    "vulnStatus": "Received",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-200"
          }
        ],
        "source": "security@documentfoundation.org",
        "type": "Secondary"
      }
    ]
  }
}
—
Vendor
vendor
NVDThe Document Foundation
receipt
Source
NVD
Its words
The Document Foundation
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-10-05 12:23 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "LibreOffice",
            "vendor": "The Document Foundation",
            "versions": [
              {
                "lessThan": "< 26.2.5",
                "status": "affected",
                "version": "26.2",
                "versionType": "26.2 series"
              }
            ]
          }
        ],
        "source": "security@documentfoundation.org"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml data providers are restored when a document is loaded."
      }
    ],
    "id": "CVE-2026-63268",
    "lastModified": "2026-10-05T12:17:10.853",
    "metrics": {
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "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": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/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": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "security@documentfoundation.org",
          "type": "Secondary"
        }
      ]
    },
    "published": "2026-10-05T12:17:10.853",
    "references": [
      {
        "source": "security@documentfoundation.org",
        "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2026-63268"
      }
    ],
    "sourceIdentifier": "security@documentfoundation.org",
    "vulnStatus": "Received",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-200"
          }
        ],
        "source": "security@documentfoundation.org",
        "type": "Secondary"
      }
    ]
  }
}
—

vulnerability

LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A link of the sql type could name a folder of local text files as a database, so opening a document could read a local text file into the sheet. In fixed versions only the csv, html and xml data providers are restored when a document is loaded.
zetlyn/cve-nvd · 2026-10-05
product LibreOffice status Received vendor The Document Foundation source