CVE-2026-3690: OpenClaw Canvas Authentication Bypass Vulnerability

This week

HIGH 7.4REMOTEUPGRADE

CVE-2026-3690 is a high-severity flaw (CVSS 7.4) affecting openclaw. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-291
Published	2026-04-11
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: openclaw

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-11 01:16 UTCPublished CVE record published
2026-06-17 10:44 UTCUpdated Record last modified

openclaw openclaw UPGRADE

Affected: < 2026.2.19

Fixed in: 2026.2.19

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls openclaw

2. UPGRADE to 2026.2.19

npm install openclaw@">=2026.2.19"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-3690?

openclaw: upgrade to 2026.2.19. Exact commands for each OS are on this page.

Is CVE-2026-3690 being exploited?

CVE-2026-3690 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-3690 affect?

CVE-2026-3690 affects openclaw. Severity is high (CVSS 7.4). 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

How urgent is CVE-2026-3690?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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