CVE-2026-77361
CVE-2026-77361 · obsidian-tc symlink path mismatch bypasses read ACL restrictions
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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.
CVSS 4.7 · Mittel · EPSS 0,1% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node
Betroffene Produkte und Versionen
obsidian-tc
- Softwareversionen
- < 1.3.1: Betroffen
Keine Korrektur veröffentlicht
obsidian-tc npm
- Betroffene Versionsbereiche
- SEMVER: < 1.3.1
Auf 1.3.1 aktualisieren
Originalquellen
- https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-c5xx-h28h-f682
- https://github.com/The-40-Thieves/obsidian-tc/pull/76
- https://github.com/The-40-Thieves/obsidian-tc/commit/c81d1687e2cfec98a0d8bc5038c029f41ea9c920
- https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1
- https://nvd.nist.gov/vuln/detail/CVE-2026-77361