ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-3690

OpenClaw Canvas Authentication Bypass Vulnerability.

Published Apr 11, 2026 · catalog updated Jun 17, 2026 · OpenClaw Canvas Authentication Bypass

Check if you run it

No confirmed exploitation is on record for CVE-2026-3690. EPSS is 0.64%. Act only if a listed version of OpenClaw Canvas Authentication Bypass is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (OpenClaw Canvas Authentication Bypass).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.64%
Remediation
Advisory link
Affected products
cpe openclaw/openclaw

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe openclaw/openclawversion unspecified

How to fix CVE-2026-3690

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-3690. EPSS is 0.64%. Act only if a listed version of OpenClaw Canvas Authentication Bypass is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-291. EPSS 0.64%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 11, 2026 · NIST NVD

    Detected

    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 a

  2. Jun 17, 2026 · NIST NVD

    Updated

    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 a

Sources

  • CVE.orgVulnerability recordCVE-2026-3690

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3690

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-3690

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.