Vulnerability Description
OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. Sandboxed child sessions can exploit this to access parent or sibling sessions that should be blocked by explicit sessionKey restrictions.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | >= 2026.3.11, < 2026.3.25 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/d9810811b6c3c9266d7580f00574e5e02f76Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-q2qc-744p-66r2Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-session-isolation-bypass-via-sessiThird Party Advisory
FAQ
What is CVE-2026-35636?
CVE-2026-35636 is a vulnerability with a CVSS score of 6.5 (MEDIUM). OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. San...
How severe is CVE-2026-35636?
CVE-2026-35636 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-35636?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.