CVE-2026-35656

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductOpenclaw
PublishedApr 10, 2026
First seenApr 10, 2026
Weakness typeCWE-290CWE-290

How to fix

Affected products

ProductAffected versionsFixed in
openclaw openclawv < 2026.3.222026.3.22
openclawnpmv < 2026.3.222026.3.22

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