{"id":"CVE-2026-77361","title":"obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults","summary":"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…","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-59","CWE-863"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T14:17:42.343","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77361","references":[{"url":"https://github.com/The-40-Thieves/obsidian-tc/commit/c81d1687e2cfec98a0d8bc5038c029f41ea9c920","label":"security-advisories@github.com"},{"url":"https://github.com/The-40-Thieves/obsidian-tc/pull/76","label":"security-advisories@github.com"},{"url":"https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1","label":"security-advisories@github.com"},{"url":"https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-c5xx-h28h-f682","label":"security-advisories@github.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T14:29:01.864Z","slug":"CVE-2026-77361","body":"## Overview\n\nobsidian-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}