OpenClaw < 2026.3.31 - Authentication Rate Limiting Bypass via Fake DeviceToken
Published Apr 23, 2026
6.3
MEDIUMCVSS 4.0
EPSS 0.42%
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.
Affected products
-
- Version 0StatusaffectedConstraints<2026.3.31
- Version 2026.3.31StatusunaffectedConstraints-
- Version
No data.
No Red Hat product state for this CVE.
openclaw
npm
Introduced 0 Fixed 2026.3.31
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | openclaw | 0 | 2026.3.31 |
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Apr 24, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Apr–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.42% (0.00420) | 34.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.33% (0.00328) | 24.38th | v5 (v2026.06.15) |
| Apr 24, 2026 | 0.04% (0.00041) | 12.57th | v4 (v2025.03.14) |
References (5)
- https://github.com/advisories/GHSA-6p8r-6m93-557f Advisory
- https://github.com/openclaw/openclaw/commit/af0c0862f22ca4492406a3103d05e3628f94cbe9 patch
- https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
- https://github.com/openclaw/openclaw/security/advisories/GHSA-6p8r-6m93-557f vendor-advisoryVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-authentication-rate-limiting-bypass-via-fake-devicetoken third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-6p8r-6m93-557f | Advisory | |
| https://github.com/openclaw/openclaw/commit/af0c0862f22ca4492406a3103d05e3628f94cbe9 | patch | |
| https://github.com/openclaw/openclaw/releases/tag/v2026.3.31 | ||
| https://github.com/openclaw/openclaw/security/advisories/GHSA-6p8r-6m93-557f | vendor-advisoryVendor Advisory | |
| https://www.vulncheck.com/advisories/openclaw-authentication-rate-limiting-bypass-via-fake-devicetoken | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.