CSRF in Openclaw
CVE-2026-28477
OpenClaw versions prior to 2026.2.14 contain an oauth state validation bypass vulnerability in the manual Chutes login flow that allows attackers to bypass CSRF protection. An attacker can convince a user to paste attacker-controlled OAuth callback data, enabling credential substitution and token persistence for unauthorized accounts.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.001 (3.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-28477?
- CVE-2026-28477 is a high-severity vulnerability in Openclaw, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-03-05.
- How severe is CVE-2026-28477?
- High severity. CVSS v3 base score is 7.1 out of 10.