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.
Published: 2026-04-23
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Authentication Rate Limiting Bypass
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-6p8r-6m93-557f OpenClaw: Fake DeviceToken Bypasses Shared Auth Rate Limiting
History

Fri, 24 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 23 Apr 2026 22:15:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.31 - Authentication Rate Limiting Bypass via Fake DeviceToken
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-799
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-24T13:35:46.057Z

Reserved: 2026-04-20T14:03:06.199Z

Link: CVE-2026-41333

cve-icon Vulnrichment

Updated: 2026-04-24T13:35:31.130Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-23T22:16:39.083

Modified: 2026-04-28T18:55:34.120

Link: CVE-2026-41333

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T20:30:06Z

Weaknesses