GitHub Advisoryadvisory · npm

GHSA-8883-9w57-vwv6 OpenClaw: Mattermost callback dispatch allowed non-allowlisted sender actions

MEDIUM Published 2026-03-26 Modified 2026-04-10 Official page ↗
Aliases
CVE-2026-35652
Ecosystem
npm
Packages
openclaw
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weaknesses
CWE-285, CWE-696, CWE-863
Reviewed
2026-03-26

Affected packages

• npm openclaw: < 2026.3.22 → fixed in 2026.3.22

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 • 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.

Related

Alias · CVE (1)

  • CVE-2026-35652 OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted… vulnerability

Weakness · CWE (3)

  • CWE-285 Improper Authorization weakness
  • CWE-696 Incorrect Behavior Order weakness
  • CWE-863 Incorrect Authorization weakness

References