CVE-2026-34503 HIGH

CVE-2026-34503: OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token Revocation

Vendor Openclaw
Product OpenClaw
Weakness CWE-613 · Insufficient session expiration
Published March 31, 2026
Last update April 2, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
April 2, 2026 Record updated