p PatchFirst

CVE-2026-42421

CVE-2026-42421 · OpenClaw < 2026.4.8 - WebSocket Session Persistence via Shared Gateway Token Rotation

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 2.3 · Low · EPSS 0.2% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.4.8: Affected (semver)
    • 2026.4.8: Not affected (semver)

    Update to 2026.4.8

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.4.8

    Update to 2026.4.8

Original sources

Check your server →