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Red Hat Security Advisory

RHSA-2026:54420

Red Hat Hardened Images RPMs bug fix and enhancement update

Released 2026-08-12 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 3 records

Priority HIGH 70

go-chi/chi through 5.2.1 contains an IP spoofing vulnerability in the RealIP middleware (middleware/realip.go).

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.003 Published 2026-08-14 Partial fix · 5.3.0 CWE-290
Priority HIGH 70

go-chi chi versions >= 5.2.1 and before 5.3.0 contain an IP spoofing vulnerability in the RealIP middleware, which blindly trusts the first (leftmost) value of the X-Forwarded-For HTTP header.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00495 Published 2026-08-14 Partial fix · 5.3.0 CWE-290
Priority LOW 36

go-chi/chi versions 0.9.0 before 5.3.0 contains an IP spoofing vulnerability in the RealIP middleware, which resolves the request source IP (Request.RemoteAddr) using the first IP in the X-Forwarded-For header without va…

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00242 Published 2026-08-14 Partial fix · 5.3.0 CWE-345