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VULNERABILITIES

CVE-2026-42421 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 [email protected]Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-5h3f-885m-v22w [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-websocket-session-persistence-via-shared-gateway-token-rotation [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-613Insufficient Session Expiration[email protected]

Affected Products

ProductVersions
openclaw openclaw
< 2026.4.8

CPE

  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-42421
NVD Published Date:
Apr 28, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-42421 Details - Not Deferred