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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sat, 26 Sep 2026 02:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | OpenClaw before 2026.8.1 Session Cancellation Authorization Bypass | |
| First Time appeared |
Openclaw
Openclaw openclaw |
|
| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openclaw
Openclaw openclaw |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-26T02:18:34.477Z
Reserved: 2026-09-26T01:00:40.148Z
Link: CVE-2026-100534
No data.
Status : Received
Published: 2026-09-26T03:16:58.957
Modified: 2026-09-26T03:16:58.957
Link: CVE-2026-100534
No data.
OpenCVE Enrichment
No data.
Weaknesses