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CVE-2026-35656 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 [email protected]Patch
https://github.com/openclaw/openclaw/commit/fc2d29ea926f47c428c556e92ec981441228d2a4 [email protected]Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-844j-xrrq-wgh4 [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-xff-loopback-spoofing-bypass-in-canvas-authentication-and-rate-limiter [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-290Authentication Bypass by Spoofing[email protected]

Affected Products

ProductVersions
openclaw openclaw
< 2026.3.22

CPE

  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-35656
NVD Published Date:
Apr 10, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-35656 Details - Not Deferred