CVE Catalog

CVE-2026-100534

LowCVSS 3.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.27%

17th percentile - higher than 17% of all known CVEs

Summary

OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in webhook TaskFlow cancellation that allows attackers to cancel unrelated sessions. An attacker with a webhook route secret can supply an arbitrary child session key to cancel ACP or subagent work outside the route's configured authority.

Risk Assessment

An attacker can disrupt other sessions, potentially causing interruption of critical processes or services.

Recommendation

Update OpenClaw to version 2026.8.1 and review webhook configuration and permissions.

Other vulnerabilities in OpenClaw

See all
Original NVD description (English source)

OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in webhook TaskFlow cancellation that allows attackers to cancel unrelated sessions. An attacker with a webhook route secret can supply an arbitrary child session key to cancel ACP or subagent work outside the route's configured authority.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS