CVE-2026-34503 OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token Revocation
Attackers with revoked credentials maintain unauthorized access via active WebSocket sessions in OpenClaw, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-34503?
CVE-2026-34503 is a high-severity authentication bypass vulnerability in Openclaw Openclaw, published on 31 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-613
Which versions are affected by CVE-2026-34503?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.3.28 |
openclaw npm | All versions | 2026.3.28 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-34503?
Upgrade openclaw to 2026.3.28 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-34503 being exploited?
There is no known exploitation of CVE-2026-34503 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-2pr2-hcv6-7gwv, MINI-ff95-v4jh-33mw.