Authentication Bypass in OpenClaw Exposing Browser Session Credentials
CVE-2026-43575

9.2CRITICAL

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
6 May 2026

What is CVE-2026-43575?

OpenClaw contains a vulnerability that allows attackers to bypass authentication in the noVNC helper route. This flaw enables unauthorized access to interactive browser sessions, putting sensitive user credentials at risk. It is crucial for users operating versions 2026.2.21 through 2026.4.10 to evaluate their security posture and apply the necessary updates immediately.

Affected Version(s)

OpenClaw 2026.2.21 < 2026.4.10

OpenClaw 2026.4.10

References

https://github.com/openclaw/openclaw/security/advisories/...
vendor-advisory
https://github.com/openclaw/openclaw/commit/8dfbf3268bd22...
patch
https://www.vulncheck.com/advisories/openclaw-authenticat...
third-party-advisory

CVSS V4

Score:
9.2
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

smaeljaish771
KeenSecurityLab
.