Vulnerability · Published Apr 9, 2026 · Assigned by VulnCheck
CVE-2026-35642OpenClaw < 2026.3.25 - Authorization Bypass in Group Reactions via requireMention Bypass
Medium 4.3
In plain English
A medium-severity authentication bypass in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 89.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | no fix listed | GHSA-mw7w-g3mg-xqm7 |
Affected products (as reported)
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- GitHub Security Advisory (GHSA-mw7w-g3mg-xqm7) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.3.25 - Authorization Bypass in Group Reactions via requireMention Bypass third-party-advisory