| Component | OpenClaw |
| Severity | medium (CVSS 6.5) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| Published (NVD) | 2026-04-09 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw >= 2026.3.11, < 2026.3.25 |
| Fixed in | 2026.3.25 |
| Weakness | CWE-696 |
| CISA KEV | not listed |
NVD 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.
What to do
- Upgrade OpenClaw to
2026.3.25or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-35636
- https://github.com/openclaw/openclaw/security/advisories/GHSA-q2qc-744p-66r2
- https://github.com/openclaw/openclaw/commit/d9810811b6c3c9266d7580f00574e5e02f7663de
- https://www.vulncheck.com/advisories/openclaw-session-isolation-bypass-via-sessionid-resolution
Read more
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