{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-75594", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-17T23:49:03.449Z", "datePublished": "2026-08-31T20:53:00.338Z", "dateUpdated": "2026-08-31T20:53:00.338Z"}, "containers": {"cna": {"title": "Kirby: Access to image files and limited access to JSON files outside of the site root via path traversal in the media handling", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/getkirby/kirby/security/advisories/GHSA-9vx2-j98c-p72w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/getkirby/kirby/security/advisories/GHSA-9vx2-j98c-p72w"}, {"name": "https://github.com/getkirby/kirby/commit/22fbaedb7e6dd61f5def10829ba7bd7e73e0dcc9", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkirby/kirby/commit/22fbaedb7e6dd61f5def10829ba7bd7e73e0dcc9"}, {"name": "https://github.com/getkirby/kirby/commit/a40808f5c2ee5d42bb597fb6ffbe0de0ce8e4d20", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkirby/kirby/commit/a40808f5c2ee5d42bb597fb6ffbe0de0ce8e4d20"}, {"name": "https://github.com/getkirby/kirby/commit/cd7abb68d298f3443eafd43fa2d0c7ad0f933d0e", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkirby/kirby/commit/cd7abb68d298f3443eafd43fa2d0c7ad0f933d0e"}, {"name": "https://github.com/getkirby/kirby/commit/e0dca5f709adc21b36f5549df2c0619bc59da56c", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkirby/kirby/commit/e0dca5f709adc21b36f5549df2c0619bc59da56c"}, {"name": "https://github.com/getkirby/kirby/releases/tag/4.9.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkirby/kirby/releases/tag/4.9.5"}, {"name": "https://github.com/getkirby/kirby/releases/tag/5.5.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/getkirby/kirby/releases/tag/5.5.2"}], "affected": [{"vendor": "getkirby", "product": "kirby", "versions": [{"version": "< 4.9.5", "status": "affected"}, {"version": ">= 5.0.0, < 5.5.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-31T20:53:00.338Z"}, "descriptions": [{"lang": "en", "value": "Kirby is an open-source content management system. Prior to 4.9.5 and 5.5.2, depending on the release line, Kirby's media handler in src/Cms/Media.php allowed Kirby\\Cms\\Media::thumb() to append a path-bearing filename to a validated parent media directory. On nginx, PHP's built-in server, or Apache with AllowEncodedSlashes enabled, a remote attacker could submit encoded slash characters such as %2f in the filename and traverse outside the parent's media directory. Differences between responses for existing and nonexistent thumbnail configurations disclosed whether an arbitrary .json file existed, and a .json file containing a valid filename key could cause the referenced image to be returned and the job file to be deleted. The related file::version path in src/Filesystem/Asset.php also accepted ../ sequences outside the intended index root. This issue is fixed in versions 4.9.5 and 5.5.2."}], "source": {"advisory": "GHSA-9vx2-j98c-p72w", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "kirby", "vendor": "getkirby", "versions": [{"status": "affected", "version": "< 4.9.5"}, {"status": "affected", "version": ">= 5.0.0, < 5.5.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kirby is an open-source content management system. Prior to 4.9.5 and 5.5.2, depending on the release line, Kirby's media handler in src/Cms/Media.php allowed Kirby\\Cms\\Media::thumb() to append a path-bearing filename to a validated parent media directory. On nginx, PHP's built-in server, or Apache with AllowEncodedSlashes enabled, a remote attacker could submit encoded slash characters such as %2f in the filename and traverse outside the parent's media directory. Differences between responses for existing and nonexistent thumbnail configurations disclosed whether an arbitrary .json file existed, and a .json file containing a valid filename key could cause the referenced image to be returned and the job file to be deleted. The related file::version path in src/Filesystem/Asset.php also accepted ../ sequences outside the intended index root. This issue is fixed in versions 4.9.5 and 5.5.2."}], "id": "CVE-2026-75594", "lastModified": "2026-08-31T21:17:48.760", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "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:P/PR:N/UI:N/VC:H/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-31T21:17:48.760", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/commit/22fbaedb7e6dd61f5def10829ba7bd7e73e0dcc9"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/commit/a40808f5c2ee5d42bb597fb6ffbe0de0ce8e4d20"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/commit/cd7abb68d298f3443eafd43fa2d0c7ad0f933d0e"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/commit/e0dca5f709adc21b36f5549df2c0619bc59da56c"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/releases/tag/4.9.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/releases/tag/5.5.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/getkirby/kirby/security/advisories/GHSA-9vx2-j98c-p72w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.9.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.5.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "kirby", "source": "cna", "vendor": "getkirby"}, "product": "kirby", "vendor": "getkirby"}], "created": "2026-08-31T22:30:06.007068+00:00", "updated": "2026-08-31T22:30:06.186241+00:00", "vendors": ["getkirby", "getkirby$PRODUCT$kirby"]}