CVE-2026-100534

LOWCVSS 3.1

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.

Timeline

Published:September 26th, 2026 3:16 AM

Last modified:September 28th, 2026 6:17 PM

CVSS Scoring

CVSS v3: 3.1 (LOW)

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-639

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute