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Low 3.1Published Sep 26, 2026

CVE-2026-100534OpenClaw before 2026.8.1 Session Cancellation Authorization Bypass

Updated under an hour ago ()

Does this affect you?

It affects OpenClaw. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
3.1 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE)
CWE-639
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Sep 28, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
OpenClaw OpenClaw
openclaw:openclaw (from the name)
before 2026.8.1; 2026.8.1 not affected
CNA record

References

  • vendor-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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