CVE-2026-40893

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40893", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-15T16:37:22.766Z", "datePublished": "2026-05-14T15:18:27.758Z", "dateUpdated": "2026-05-14T18:08:26.208Z"}, "containers": {"cna": {"title": "Gotenberg: ExifTool Dangerous Tag Blocklist Bypass via Group-Prefixed Tag Names Allows Arbitrary File Rename and Move", "problemTypes": [{"descriptions": [{"cweId": "CWE-73", "lang": "en", "description": "CWE-73: External Control of File Name or Path", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-184", "lang": "en", "description": "CWE-184: Incomplete List of Disallowed Inputs", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4"}], "affected": [{"vendor": "gotenberg", "product": "gotenberg", "versions": [{"version": "< 8.31.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-14T15:18:27.758Z"}, "descriptions": [{"lang": "en", "value": "Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0."}], "source": {"advisory": "GHSA-62p3-hvxx-fxg4", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T18:08:23.445431Z", "id": "CVE-2026-40893", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T18:08:26.208Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-40893", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-14T18:08:23.445431Z"}}}], "references": [{"url": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T18:08:18.299Z"}}], "cna": {"title": "Gotenberg: ExifTool Dangerous Tag Blocklist Bypass via Group-Prefixed Tag Names Allows Arbitrary File Rename and Move", "source": {"advisory": "GHSA-62p3-hvxx-fxg4", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "gotenberg", "product": "gotenberg", "versions": [{"status": "affected", "version": "< 8.31.0"}]}], "references": [{"url": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4", "name": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-73", "description": "CWE-73: External Control of File Name or Path"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-184", "description": "CWE-184: Incomplete List of Disallowed Inputs"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-14T15:18:27.758Z"}}}, "cveMetadata": {"cveId": "CVE-2026-40893", "state": "PUBLISHED", "dateUpdated": "2026-05-14T18:08:26.208Z", "dateReserved": "2026-04-15T16:37:22.766Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-05-14T15:18:27.758Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "gotenberg", "vendor": "gotenberg", "versions": [{"status": "affected", "version": "< 8.31.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:thecodingmachine:gotenberg:*:*:*:*:*:*:*:*", "matchCriteriaId": "953D4808-E728-472B-94E3-9714C1E2EA1C", "versionEndExcluding": "8.31.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0."}, {"lang": "es", "value": "Gotenberg es una API sin estado impulsada por Docker para archivos PDF. Antes de la 8.31.0, Gotenberg solo verifica si la etiqueta es exactamente FileName, por lo que System:FileName se cuela y ExifTool felizmente renombra el archivo. Esto permite a atacantes remotos mover, renombrar y cambiar los permisos de archivos arbitrarios. Esta vulnerabilidad est\u00e1 corregida en la 8.31.0."}], "id": "CVE-2026-40893", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40893", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-14T18:08:23.445431Z", "version": "2.0.3"}}]}, "published": "2026-05-14T16:16:20.323", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-73"}, {"lang": "en", "value": "CWE-184"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.31.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "gotenberg", "source": "cna", "vendor": "gotenberg"}, "product": "gotenberg", "vendor": "gotenberg"}], "created": "2026-05-14T17:30:15.697299+00:00", "updated": "2026-05-14T18:45:26.673736+00:00", "vendors": ["gotenberg", "gotenberg$PRODUCT$gotenberg"]}