VULNERABILITY INTELLIGENCE
CVE-2026-35656
CVSS score6.3 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-04-10
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
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.
Weakness classification
- CWE-290: Authentication Bypass by Spoofing
Primary references
- disclosure@vulncheck.com — Patch
- disclosure@vulncheck.com — Patch
- disclosure@vulncheck.com — Vendor Advisory
- disclosure@vulncheck.com — Third Party Advisory