Is CVE-2026-100390 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-100390?

CVE-2026-100390 has a CVSS v3 severity of HIGH (7.4).

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CVE-2026-100390

Description

Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers. Unauthenticated attackers connecting over IPv6 can supply arbitrary X-Forwarded-For values to spoof their source IP and bypass authorization provider IP-based access controls.