Authentication Bypass by Spoofing in OpenClaw - #VU125189

 

Authentication Bypass by Spoofing in OpenClaw - #VU125189

Published: April 8, 2026


Vulnerability identifier: #VU125189
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-290
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication and rate limiting.

The vulnerability exists due to authentication bypass by spoofing in client origin resolution for canvas auth and auth-rate-limit paths when processing forwarding headers with trusted proxies configured. A remote attacker can send spoofed forwarding headers with loopback hops to bypass authentication and rate limiting.

Exploitation requires gateway.trustedProxies to be configured.


Remediation

Install security update from vendor's website.

Sources