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.

INFO

Published Date :

2026-04-28T18:10:12.669Z

Last Modified :

2026-04-29T12:15:24.542Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-42421 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-42421.

URL Resource
https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-5h3f-885m-v22w cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-websocket-session-persistence-via-shared-gateway-token-rotation cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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SS Confidentiality
SS Integrity
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact