p PatchFirst

CVE-2026-77366

CVE-2026-77366 · obsidian-tc tokens can access arbitrary configured vaults

This page contains facts from public vulnerability sources. Check the original advisory before updating.

obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. Prior to 1.3.1, tool dispatch does not compare the caller-controlled input.vault value with the vault bound to the caller, the JSON Web Token (JWT) has no vault claim, and the folder access-control list is shared globally. Any valid token can therefore select another configured vault and read, write, or delete its contents through affected tools. Version 1.3.1 fixes the vulnerability by binding tokens and request context to a vault and rejecting mismatched input.vault values before scope checks.

CVSS 9.9 · Critical · EPSS 0.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • obsidian-tc

    Versions
    • < 1.3.1: Affected

    No fix published

  • obsidian-tc npm

    Affected ranges
    • SEMVER: < 1.3.1

    Update to 1.3.1

Original sources

Check your server →