CVE-2026-35636
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductOpenclaw
PublishedApr 9, 2026
First seenApr 9, 2026
Weakness typeCWE-696CWE-696
How to fix
Update
- openclaw openclaw2026.3.25 or later
- openclaw2026.3.28 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openclaw openclaw | 2026.3.11 ≤ v < 2026.3.25 | 2026.3.25 |
| openclawnpm | 2026.3.11 ≤ v < 2026.3.28 | 2026.3.28 |
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