High severity · published Mar 31, 2026
CVE-2026-34503
OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token Revocation
8.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.3.28 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34503
Patch
https://github.com/openclaw/openclaw/commit/7a801cc451e9e667b705eeccff651923a1b8c863
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-2pr2-hcv6-7gwv
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-incomplete-websocket-session-termination-on-device-removal-and-token-revocation
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