CVE-2026-35656
CVE-2026-35656 · OpenClaw < 2026.3.22 - XFF Loopback Spoofing Bypass in Canvas Authentication and Rate Limiter
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
Original sources
- https://github.com/openclaw/openclaw/security/advisories/GHSA-844j-xrrq-wgh4
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
- https://github.com/openclaw/openclaw/commit/fc2d29ea926f47c428c556e92ec981441228d2a4
- https://www.vulncheck.com/advisories/openclaw-xff-loopback-spoofing-bypass-in-canvas-authentication-and-rate-limiter
- https://nvd.nist.gov/vuln/detail/CVE-2026-35656