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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (9.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.8% 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: 0.002 · change: +0.001
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-7rcp-mxpq-72pj (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/a99ad11a4107ba8eac58f54a3c1a8a0cf5686f47 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-oauth-state-validation-bypass-in-manual-c… (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.