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CVE-2026-35656

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/10/2026

Last Modified4/10/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-290

References

https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/commit/fc2d29ea926f47c428c556e92ec981441228d2a4(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-844j-xrrq-wgh4(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-xff-loopback-spoofing-bypass-in-canvas-authentication-and-rate-limiter(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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