CVE-2026-77361: falha de média gravidade em The-40-Thieves obsidian-tc
obsidian-tc symlink path mismatch bypasses read ACL restrictions
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 4.7epss 0.1%
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:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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The-40-Thieves · obsidian-tcCVEs relacionadas — The-40-Thieves obsidian-tc
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Referências
https://github.com/The-40-Thieves/obsidian-tc/commit/c81d1687e2cfec98a0d8bc5038c029f41ea9c920https://github.com/The-40-Thieves/obsidian-tc/pull/76https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-c5xx-h28h-f682