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TI-2026-39449 CVE-2026-54618

Obsidian Web MCP: Unauthenticated vault access: /oauth/authorize auto-approves without authenticating the user

Priority HIGH 82

Obsidian Web MCP is a secure remote MCP server for Obsidian vaults.

CVSS 3.1CRITICAL 9.4· Network · No auth · No interaction · EPSS 0.00507 · Published 2026-09-17 · Fixed in 0.2.0 CWE-306

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