CVE-2026-77364

Summary

obsidian-tc: Default folder ACL is fail-open; .obsidian plugin secrets are readable by default

Severity

medium

CVSS

6.5

EPSS

0.2% (p15)

CWE

CWE-200, CWE-276

Also known as

GHSA-cvp8-vvgf-69q4

Published

2026-10-23

Updated

2026-10-23

Advisory details

Impact

With a default configuration, an undefined readPaths/writePaths meant allow-all, the strictReadDefault flag was inert, and the .obsidian/.git/.trash control directories were denied only during enumeration — not on the direct request path. A caller could read .obsidian/plugins/*/data.json, exfiltrating plugin API keys and Obsidian Sync passwords (live-reproduced), as well as any other in-vault file by path.

Patches

Fixed in 1.3.1. Upgrade to >= 1.3.1. The default now denies .obsidian/.git/.trash on read/write/delete and honors strictReadDefault on the request path.

Workarounds

Set an explicit readPaths/writePaths whitelist that excludes the control directories.

References

• https://github.com/advisories/GHSA-cvp8-vvgf-69q4
• https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-cvp8-vvgf-69q4
• https://github.com/The-40-Thieves/obsidian-tc/pull/73
• https://github.com/The-40-Thieves/obsidian-tc/commit/74de320ddea855e1dec47d67beabe88491149dab
• https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.3.1
• https://nvd.nist.gov/vuln/detail/cve-2026-77364

Related advisories

• CVE-2026-77362 — medium · npm/obsidian-tc
• CVE-2026-77363 — critical · npm/obsidian-tc
• CVE-2026-77366 — critical · npm/obsidian-tc
• CVE-2026-115478 — high · npm/obsidian-tc
• CVE-2026-115477 — high · npm/obsidian-tc
• CVE-2026-77361 — medium · npm/obsidian-tc
• CVE-2026-61447 — critical · PyPI/praisonaiagents
• CVE-2026-106501 — critical · npm/@backstage/plugin-scaffolder-backend

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