CVE-2026-63439 - 2FAuth: Reverse Proxy Guard Trusts Client-Supplied Headers Without Proxy Verification
CVE ID :CVE-2026-63439 Published : Nov. 6, 2026, 8:22 p.m. | 49 minutes ago Description :2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Prior to 8.0.0, when AUTHENTICATION_GUARD=reverse-proxy-guard is enabled,...