GHSA-FQ95-V8XC-JM3V Fabio - Incomplete fix for CVE-2025-48865: operator-configured trust headers (clientip/tls/requestid) still strippable via the Connection header

Affected: github.com/fabiolb/fabio = 1.6.6 through 1.7.1 and master HEAD c75f8a6. Summary The v1.6.6 fix for CVE-2025-48865 sweeps the client Connection header against a hardcoded allowlist protectHeaders proxy/httpheaders.go:28-36 containing only the 7 X-Forwarded family headers. Fabio also...

CVE-2026-62987

Fabio is an HTTPS and TCP router for deploying applications managed by consul. From 1.6.6 until 1.7.2, the CVE-2025-48865 fix in proxy/httpheaders.go uses protectHeaders for a hardcoded set of forwarded headers but omits the operator-configured ClientIPHeader, TLSHeader, and RequestID names. In...

CVE-2026-62987 Fabio - Incomplete fix for CVE-2025-48865: operator-configured trust headers (clientip/tls/requestid) still strippable via the Connection header

Fabio is an HTTPS and TCP router for deploying applications managed by consul. From 1.6.6 until 1.7.2, the CVE-2025-48865 fix in proxy/httpheaders.go uses protectHeaders for a hardcoded set of forwarded headers but omits the operator-configured ClientIPHeader, TLSHeader, and RequestID names. In...

PT-2026-96149

Name of the Vulnerable Software and Affected Versions Fabio versions 1.6.6 through 1.7.1 Description An issue exists in the way the router handles HTTP headers. In the proxy/http headers.go file, the protectHeaders function uses a hardcoded set of forwarded headers but fails to include...

CVE-2026-62987: Authentication Bypass by Spoofing

Fabio is an HTTPS and TCP router for deploying applications managed by consul. From 1.6.6 until 1.7.2, the CVE-2025-48865 fix in proxy/httpheaders.go uses protectHeaders for a hardcoded set of forwarded headers but omits the operator-configured ClientIPHeader, TLSHeader, and RequestID names. In...