CVE-2026-41356: OpenClaw < 2026.3.31 - Incomplete WebSocket Session Termination in device.token.rotate

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-23 · updated 2026-06-17
Weakness: CWE-613

Description

OpenClaw before 2026.3.31 fails to terminate active WebSocket sessions when rotating device tokens. Attackers with previously compromised credentials can maintain unauthorized access through existing WebSocket connections after token rotation.

Affected products

OpenClaw: before 2026.3.31 — fixed in 2026.3.31

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.31. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/91f7a6b0fd67b703897e6e307762d471ca09333d
https://github.com/openclaw/openclaw/security/advisories/GHSA-rfqg-qgf8-xr9x
https://www.vulncheck.com/advisories/openclaw-incomplete-websocket-session-termination-in-device-token-rotate

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