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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.

PUBLISHED Reserved 2026-03-30 | Published 2026-03-31 | Updated 2026-04-02 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Problem types

CWE-613 Insufficient Session Expiration

Product status

Default status
unaffected

Any version before 2026.3.28
affected

2026.3.28 (semver)
unaffected

Credits

AntAISecurityLab reporter

References

github.com/...enclaw/security/advisories/GHSA-2pr2-hcv6-7gwv (GitHub Security Advisory (GHSA-2pr2-hcv6-7gwv)) third-party-advisory

github.com/...ommit/7a801cc451e9e667b705eeccff651923a1b8c863 (Patch Commit) patch

www.vulncheck.com/...-on-device-removal-and-token-revocation (VulnCheck Advisory: OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token Revocation) third-party-advisory

cve.org (CVE-2026-34503)

nvd.nist.gov (CVE-2026-34503)

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