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.

Score

CVSS 4.0 6.3 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2026-04-23

Last modified

2026-04-24

Weaknesses

CWE-799

Affected products

• Openclaw (Openclaw)

References

• https://github.com/openclaw/openclaw/commit/af0c0862f22ca4492406a3103d05e3628f94cbe9
• https://github.com/openclaw/openclaw/security/advisories/GHSA-6p8r-6m93-557f
• https://www.vulncheck.com/advisories/openclaw-authentication-rate-limiting-bypass-via-fake-devicetoken