GHSA-8883-9w57-vwv6MediumCVSS 6.5
OpenClaw: Mattermost callback dispatch allowed non-allowlisted sender actions
🔗 CVE IDs covered (1)
📋 Description
Summary
Mattermost interactive callback dispatch could run action handlers before normal sender authorization checks completed.
Affected Packages / Versions
- Package:
openclaw(npm) - Affected: < 2026.3.22
- Fixed: >= 2026.3.22
- Latest released tag checked:
v2026.3.23-2(630f1479c44f78484dfa21bb407cbe6f171dac87) - Latest published npm version checked:
2026.3.23-2
Fix Commit(s)
a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66
Release Status
The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.
Code-Level Confirmation
- extensions/mattermost/src/mattermost/interactions.ts now requires callback authorization before dispatching actions.
- extensions/mattermost/src/mattermost/monitor.ts routes callback authorization through the same sender and allowlist policy used for normal ingress.
OpenClaw thanks @zpbrent for reporting.
🎯 Affected products1
- npm/openclaw:< 2026.3.22
🔗 References (6)
- https://github.com/openclaw/openclaw/security/advisories/GHSA-8883-9w57-vwv6
- https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66
- https://nvd.nist.gov/vuln/detail/CVE-2026-35652
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
- https://www.vulncheck.com/advisories/openclaw-unauthorized-action-execution-via-callback-dispatch
- https://github.com/advisories/GHSA-8883-9w57-vwv6