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CVE-2026-34503

8.1 · HIGH

OpenClaw before 2026.3.28 fails to disconnect active WebSocket sessions when devices are removed or tokens are revoked.

Published Mar 31, 2026CWE-613EPSS 0.45%

Overview

CVE-2026-34503 is a high-severity vulnerability. It was published on March 31, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/openclaw/openclaw/commit/7a801cc451e9e667b705eeccff651923a1b8c863GitHubgithub.com/openclaw/openclaw/security/advisories/GHSA-2pr2-hcv6-7gwvRefwww.vulncheck.com/advisories/openclaw-incomplete-websocket-session-termination-on-device-removal-and-token-revocation

How CyberStrike helps

Frequently asked questions

What is CVE-2026-34503?

CVE-2026-34503 is a high-severity vulnerability. It was published on March 31, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-34503?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-34503?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-34503?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-34503 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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