CVE-2026-100534
2.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenClaw | OpenClaw | 0 < 2026.8.1 | affected |
| OpenClaw | OpenClaw | 2026.8.1 | unaffected |
Weaknesses
- CWE-639: Authorization Bypass Through User-Controlled Key
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-g24w-m94m-59qc
- https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-session-cancellation-authorization-bypass
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