AI agent vulnerability · OpenClaw

CVE-2026-42421: OpenClaw: Existing WS sessions survive shared gateway token rotation

mediumCVSS 4.0 5.9GHSA-5h3f-885m-v22w

Impact Existing WS sessions survive shared gateway token rotation. Rotating the shared gateway token did not disconnect existing shared-token WebSocket sessions. OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.

Published Apr 9, 2026 · Updated Apr 28, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: < 2026.4.8
Fixed in: 2026.4.8
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Impact

Existing WS sessions survive shared gateway token rotation.

Rotating the shared gateway token did not disconnect existing shared-token WebSocket sessions.

OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.

Affected Packages / Versions

Package: openclaw (npm)
Affected versions: <= 2026.4.1
Patched versions: 2026.4.8

Fix

The issue was fixed on main and is available in the patched npm version listed above. The verified fixed tree is commit d7c3210cd6f5fdfdc1beff4c9541673e814354d5.

Verification

The fix was re-checked against main before publication, including targeted regression tests for the affected security boundary.

Credits

Thanks @kexinoh of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) for reporting.

Credited to kexinoh.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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