Vulnerability · Published Apr 20, 2026 · Assigned by VulnCheck
CVE-2026-41298OpenClaw < 2026.4.2 - Authorization Bypass in Session Termination Endpoint
Medium 5.4
In plain English
A medium-severity missing authorization 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 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 91.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenClaw before 2026.4.2 fails to enforce write scopes on the POST /sessions/:sessionKey/kill endpoint in identity-bearing HTTP modes. Read-scoped callers can terminate running subagent sessions by sending requests to this endpoint, bypassing authorization controls.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.4.2 | GHSA-5hff-46vh-rxmw |
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- GitHub Security Advisory (GHSA-5hff-46vh-rxmw) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.4.2 - Authorization Bypass in Session Termination Endpoint third-party-advisory