PT-2026-30526 · Npm · Openclaw

Published 2026-03-26 · Updated 2026-03-26

OSV

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

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.

Fix

Improper Authorization

Incorrect Authorization

Weakness Enumeration

CWE-285

CWE-696

CWE-863

Related Identifiers

GHSA-8883-9W57-VWV6

Affected Products

Openclaw

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-35652 · Security Note
• https://osv.dev/vulnerability/GHSA-8883-9w57-vwv6 · Vendor Advisory
• https://github.com/openclaw/openclaw · Note
• https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66 · Note
• https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 · Note
• https://github.com/openclaw/openclaw/security/advisories/GHSA-8883-9w57-vwv6 · Note
• https://vulncheck.com/advisories/openclaw-unauthorized-action-execution-via-callback-dispatch · Note