Vulnerability in Openclaw
CVE-2026-41333
OpenClaw before 2026.3.31 contains an authentication rate limiting bypass vulnerability that allows attackers to circumvent shared authentication protections using fake device tokens. Attackers can exploit the mixed WebSocket authentication flow to bypass rate limiting controls and conduct brute force attacks against weak shared passwords.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Openclaw — versions 0, 2026.3.31
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-6p8r-6m93-557f (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/af0c0862f22ca4492406a3103d05e3628f94cbe9 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-authentication-rate-limiting-bypass-via-f… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41333?
- CVE-2026-41333 is a low-severity vulnerability in Openclaw, classified under CWE-799. CVSS score: 3.7/10. Published 2026-04-23.
- How severe is CVE-2026-41333?
- Low severity. CVSS v3 base score is 3.7 out of 10.