CVE-2026-42421

MEDIUM

5.4

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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/28/2026

Last Modified4/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-613

References

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-5h3f-885m-v22w(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-websocket-session-persistence-via-shared-gateway-token-rotation(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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