CVE-2026-100534

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.

CVSS v3 3.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

26 Sep 2026, 03:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 03:16

Updated : 2026-09-28 18:17

NVD link : CVE-2026-100534

Mitre link : CVE-2026-100534

CVE.ORG link : CVE-2026-100534

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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