Vulnerability details
CVE-2026-3690
OpenClaw OpenClaw
OpenClaw Canvas Authentication Bypass Vulnerability
CVSS 3.0
7.4High
Official description
OpenClaw Canvas Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of OpenClaw. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the the authentication function for canvas endpoints. The issue results from improper implementation of authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-29311.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.4High | 3.0 | CVEProject cvelistV5 (CNA) (zdi) | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| OpenClaw | OpenClaw | 2026.2.17 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://www.zerodayinitiative.com/advisories/ZDI-26-228/ x_research-advisory
- https://github.com/openclaw/openclaw/security/advisories/GHSA-vvjh-f6p9-5vcf vendor-advisory
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Details
- Published
- 2026-04-11
- Last updated
- 2026-04-14
- State
- Published
- Assigner (CNA)
- zdi
Exploit prediction (EPSS)
0.84%
Probability of exploitation in 30 days
58.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-291Reliance on IP Address for Authentication