CVE-2026-41333

Description

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.

CVSS v3.1 Score

3.7

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0007

Probability of exploitation

0.22%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-799 CWE-799

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.3.31

References

Advisories & Patches

https://github.com/openclaw/openclaw/commit/af0c0862f22ca4492406a3103d05e3628f94cbe9 https://github.com/openclaw/openclaw/security/advisories/GHSA-6p8r-6m93-557f

Other References

https://www.vulncheck.com/advisories/openclaw-authentication-rate-limiting-bypass-via-fake-devicetoken

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2026-41333? +

CVE-2026-41333 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0007, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41333? +

CVE-2026-41333 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41333? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-26524

This vulnerability exists in RupeeWeb trading platform due to missing rate limiting on OTP requests in certain API endpoints. An …

CVE-2025-29998

This vulnerability exists in the CAP back office application due to missing rate limiting on OTP requests in an API …

CVE-2025-52570

Letmein is an authenticating port knocker. Prior to version 10.2.1, The connection limiter is implemented incorrectly. It allows an arbitrary …

CVE-2025-54321 9.8

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an …

CVE-2024-6890 8.8

Password reset tokens are generated using an insecure source of randomness. Attackers who know the username of the Journyx installation …

CVE-2026-7402 8.1

Improper Control of Interaction Frequency vulnerability in MeWare Software Development Inc. PDKS allows Flooding. This issue affects PDKS: from V16.20200313 …