VULNERABILITY INTELLIGENCE
CVE-2026-42421
CVSS score2.3 LOW
EPSS probability0.19%
CISA KEVNot currently listed
Published2026-04-28
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Description
OpenClaw before 2026.4.8 contains a session management vulnerability where existing WebSocket sessions survive shared gateway token rotation. Attackers can maintain unauthorized access to WebSocket connections after token rotation by exploiting the failure to disconnect existing shared-token sessions.
Weakness classification
- CWE-613: Insufficient Session Expiration
Primary references
- disclosure@vulncheck.com — Patch
- disclosure@vulncheck.com — Vendor Advisory
- disclosure@vulncheck.com — Third Party Advisory