Description

OpenClaw before 2026.3.22 contains an authentication bypass vulnerability in the X-Forwarded-For header processing when trustedProxies is configured, allowing attackers to spoof loopback hops. Remote attackers can inject forged forwarding headers to bypass canvas authentication and rate-limiting protections by masquerading as loopback clients.

INFO

Published Date :

2026-04-10T16:03:18.659Z

Last Modified :

2026-04-10T18:23:28.866Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-35656 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-35656.

URL Resource
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 cve-icon cve-icon
https://github.com/openclaw/openclaw/commit/fc2d29ea926f47c428c556e92ec981441228d2a4 cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-844j-xrrq-wgh4 cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-xff-loopback-spoofing-bypass-in-canvas-authentication-and-rate-limiter cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact