CVE-2026-35656: Openclaw

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Openclaw Openclaw: before 2026.3.22 (fixed in 2026.3.22)

Published 2026-04-10. Last modified 2026-06-17.