Auth bypass in Openclaw
CVE-2026-100593
OpenClaw (npm package `openclaw`) before 2026.7.1 does not enforce the documented owner-only requirement for persistent `/activation` policy changes in group channels. An authorized non-owner channel sender can change whether the agent requires mention-based activation, causing the agent to respond more broadly in the group (exposing its responses to additional group traffic) or suppressing expected activation behavior until an owner restores the intended setting. The issue is fixed in version 2026.7.1.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-q9j5-4xr6-xqqw) (vendor-advisory)
- VulnCheck Advisory: OpenClaw before 2026.7.1 Authentication Bypass via activation (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100593?
- CVE-2026-100593 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-09-26.
- How severe is CVE-2026-100593?
- Medium severity. CVSS v3 base score is 5.4 out of 10.