obsidian-tc : Symlink read-ACL scope bypass via lexical path checks

影響: npm:obsidian-tc < 1.3.1 → 1.3.1

ACL checks ran on the lexical vault-relative path while containment used the realpath. An in-vault symlink placed under an allowed glob, whose realpath resolved into a denied folder, passed the read ACL — an intra-vault read-ACL-scope bypass. It requires an out-of-band-planted symlink (no MCP tool creates one) and is not a vault-root escape. Patches Fixed in 1.3.1. Upgrade to >= 1.3.1. ACL enforcement now derives the realpath vault-relative path and feeds a single unified predicate at every sit…

Read on GitHub Advisory Database

On 10/24/2026, 02:28 AM, GitHub Advisory Database published "obsidian-tc : Symlink read-ACL scope bypass via lexical path checks" (type: Advisory). Severity is "Medium" (medium). Related technologies: JavaScript / Node.js. CVE: CVE-2026-77361.