CVE-2026-34503

OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token Revocation

State: Published
Severity: 8.6 High
Published: Mar 31, 2026
Updated: Sep 24, 2026
Reserved: Mar 30, 2026

Description

OpenClaw before 2026.3.28 fails to disconnect active WebSocket sessions when devices are removed or tokens are revoked. Attackers with revoked credentials can maintain unauthorized access through existing live sessions until forced reconnection.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-613 Insufficient Session Expiration

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.28Affected 2026.3.28Not affected

References

GitHub Security Advisory (GHSA-2pr2-hcv6-7gwv)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token Revocationthird-party-advisory

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