{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77361", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-20T19:28:35.245Z", "datePublished": "2026-10-13T14:00:39.982Z", "dateUpdated": "2026-10-13T14:00:39.982Z"}, "containers": {"cna": {"title": "obsidian-tc symlink path mismatch bypasses read ACL restrictions", "problemTypes": [{"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-c5xx-h28h-f682", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-c5xx-h28h-f682"}, {"name": "https://github.com/The-40-Thieves/obsidian-tc/pull/76", "tags": ["x_refsource_MISC"], "url": "https://github.com/The-40-Thieves/obsidian-tc/pull/76"}, {"name": "https://github.com/The-40-Thieves/obsidian-tc/commit/c81d1687e2cfec98a0d8bc5038c029f41ea9c920", "tags": ["x_refsource_MISC"], "url": "https://github.com/The-40-Thieves/obsidian-tc/commit/c81d1687e2cfec98a0d8bc5038c029f41ea9c920"}, {"name": "https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1"}], "affected": [{"vendor": "The-40-Thieves", "product": "obsidian-tc", "versions": [{"version": "< 1.3.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-13T14:00:39.982Z"}, "descriptions": [{"lang": "en", "value": "obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. Prior to 1.3.1, read access-control list (ACL) checks use a lexical vault-relative path while containment checks use the resolved path. An in-vault symlink under an allowed glob that resolves into a denied folder can therefore bypass the read ACL and expose files in the denied folder. Exploitation requires an out-of-band-planted symlink and does not permit an escape from the vault root. Version 1.3.1 fixes the vulnerability by applying ACL checks to the resolved vault-relative path."}], "source": {"advisory": "GHSA-c5xx-h28h-f682", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "obsidian-tc", "vendor": "The-40-Thieves", "versions": [{"status": "affected", "version": "< 1.3.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. Prior to 1.3.1, read access-control list (ACL) checks use a lexical vault-relative path while containment checks use the resolved path. An in-vault symlink under an allowed glob that resolves into a denied folder can therefore bypass the read ACL and expose files in the denied folder. Exploitation requires an out-of-band-planted symlink and does not permit an escape from the vault root. Version 1.3.1 fixes the vulnerability by applying ACL checks to the resolved vault-relative path."}], "id": "CVE-2026-77361", "lastModified": "2026-10-13T14:17:42.343", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-13T14:17:42.343", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/The-40-Thieves/obsidian-tc/commit/c81d1687e2cfec98a0d8bc5038c029f41ea9c920"}, {"source": "security-advisories@github.com", "url": "https://github.com/The-40-Thieves/obsidian-tc/pull/76"}, {"source": "security-advisories@github.com", "url": "https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-c5xx-h28h-f682"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}, {"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}