EUVD-2026-13947
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
5Description
OpenClaw versions prior to 2026.2.25 contain an access control vulnerability in signal reaction notification handling that allows unauthorized senders to enqueue status events before authorization checks are applied. Attackers can exploit the reaction-only event path in event-handler.ts to queue signal reaction status lines for sessions without proper DM or group access validation.
Analysis
OpenClaw versions prior to 2026.2.25 contain an access control vulnerability in the signal reaction notification handling mechanism that allows unauthenticated attackers to enqueue status events before authorization checks are performed. Attackers can exploit the reaction-only event path in event-handler.ts to inject signal reaction status lines into sessions without validating proper DM or group access permissions, resulting in integrity compromise. …
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Remediation
During next maintenance window: Apply vendor patches when convenient. Vendor patch is available.
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External POC / Exploit Code
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