CVE-2026-35634 json
OpenClaw < 2026.3.23 - Authentication Bypass via Local-Direct Requests in Canvas Gateway
published 2026-03-26 7 mo ago modified 2026-06-23 4 mo ago also GHSA-6mqc-jqh6-x8fc , EUVD-2026-21124
- cvss
- 5.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer tokens or canvas capabilities. Attackers can send unauthenticated loopback HTTP and WebSocket requests to Canvas routes to bypass authentication and gain unauthorized access.
Patch / fix
- npm openclaw 2026.3.23
- OpenClaw OpenClaw 2026.3.23
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | <2026.3.23 |
2026.3.23 |
Affected products
- OpenClaw OpenClaw
Classification
References
-
github.com
/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
patch, web
-
github.com
/openclaw/openclaw/commit/d5dc6b6573ae489bc7e5651090f4767b93537c9e
patch, web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-6mqc-jqh6-x8fc
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-authentication-bypass-via-local-direct-requests-in-canvas-gateway
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-35634
advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-35634
- GitHub Advisory GHSA-6mqc-jqh6-x8fc
- NVD CVE-2026-35634
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.