Auth bypass in Openclaw
CVE-2026-100562
OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in the sessions.create endpoint that allows operator.write callers to modify session configurations reserved for operator.admin scope. Attackers with write-scoped credentials can change existing session model, provider, thinking level, and auth-profile settings to redirect traffic and bypass administrative access controls.
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: 0.002 (8.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-j4mm-p864-vx7f) (vendor-advisory)
- VulnCheck Advisory: OpenClaw before 2026.8.1 Authorization Bypass via sessions.create (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100562?
- CVE-2026-100562 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-09-26.
- How severe is CVE-2026-100562?
- Medium severity. CVSS v3 base score is 5.4 out of 10.