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OpenAdvisories

Vendor

Bubka

9 known vulnerabilities.

Products

2FAuth 9
All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2026-63439

    2FAuth: Reverse Proxy Guard Trusts Client-Supplied Headers Without Proxy Verification

    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, ReverseProxyGuard::user() reads the default REMOTE_USER identity header, or a c…

    Bubka 2FAuth
  • Critical 9.8
    CVE-2026-63438

    2FAuth: Reverse Proxy Guard Auto-Creates Users With Admin Promotion From Unauthenticated Header Value

    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 accepts authentication headers from a client that did not pass through a trusted proxy, Rem…

    Bubka 2FAuth