CVE-2026-42421CWE-613
OpenClaw < 2026.4.8 - WebSocket Session Persistence via Shared Gateway Token Rotation
Low · published April 28, 2026
What it is
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.
The record
Technical detail
- CVSS v4.0
- 2.3 · LOW
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- EPSS
- 0.00324 · 24.2th percentile
- Weakness
- CWE-613 · Insufficient Session Expiration
- Published
- 2026-04-28T18:10Z
EPSS history
Timeline