CVE-2026-55668

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55668", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-17T00:05:03.777Z", "datePublished": "2026-07-08T14:55:25.433Z", "dateUpdated": "2026-07-08T16:11:52.007Z"}, "containers": {"cna": {"title": "File Browser: ScopedFs follows a dangling symlink on write, letting a scoped user create files outside their scope", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9"}, {"name": "https://github.com/filebrowser/filebrowser/commit/64511ce45e3be379e965f7f4fb0929a068d5bb81", "tags": ["x_refsource_MISC"], "url": "https://github.com/filebrowser/filebrowser/commit/64511ce45e3be379e965f7f4fb0929a068d5bb81"}, {"name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.16", "tags": ["x_refsource_MISC"], "url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.16"}], "affected": [{"vendor": "filebrowser", "product": "filebrowser", "versions": [{"version": "< 2.63.16", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T14:55:25.433Z"}, "descriptions": [{"lang": "en", "value": "File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create attacker-controlled files outside the user's scope. This issue is fixed in version 2.63.16."}], "source": {"advisory": "GHSA-8wc8-hf36-mjh9", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-08T16:11:24.928801Z", "id": "CVE-2026-55668", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-07-08T16:11:52.007Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-55668", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-08T16:11:24.928801Z"}}}], "references": [{"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-08T16:11:48.231Z"}}], "cna": {"title": "File Browser: ScopedFs follows a dangling symlink on write, letting a scoped user create files outside their scope", "source": {"advisory": "GHSA-8wc8-hf36-mjh9", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "filebrowser", "product": "filebrowser", "versions": [{"status": "affected", "version": "< 2.63.16"}]}], "references": [{"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9", "name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/filebrowser/filebrowser/commit/64511ce45e3be379e965f7f4fb0929a068d5bb81", "name": "https://github.com/filebrowser/filebrowser/commit/64511ce45e3be379e965f7f4fb0929a068d5bb81", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.16", "name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.16", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create attacker-controlled files outside the user's scope. This issue is fixed in version 2.63.16."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-59", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T14:55:25.433Z"}}}, "cveMetadata": {"cveId": "CVE-2026-55668", "state": "PUBLISHED", "dateUpdated": "2026-07-08T16:11:52.007Z", "dateReserved": "2026-06-17T00:05:03.777Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-08T14:55:25.433Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "filebrowser", "vendor": "filebrowser", "versions": [{"status": "affected", "version": "< 2.63.16"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create attacker-controlled files outside the user's scope. This issue is fixed in version 2.63.16."}], "id": "CVE-2026-55668", "lastModified": "2026-07-08T17:17:24.860", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55668", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-08T16:11:24.928801Z", "version": "2.0.3"}}]}, "published": "2026-07-08T15:16:30.057", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/filebrowser/filebrowser/commit/64511ce45e3be379e965f7f4fb0929a068d5bb81"}, {"source": "security-advisories@github.com", "url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.16"}, {"source": "security-advisories@github.com", "url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8wc8-hf36-mjh9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-59"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.63.16)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "filebrowser", "source": "cna", "vendor": "filebrowser"}, "product": "filebrowser", "vendor": "filebrowser"}], "created": "2026-07-08T17:15:02.531384+00:00", "updated": "2026-08-01T16:15:07.342028+00:00", "vendors": ["filebrowser", "filebrowser$PRODUCT$filebrowser"], "weaknesses": ["CWE-22", "CWE-59"]}