CVE WATCH / VULNERABILITY DETAIL
CVE-2026-63439
CRITICALCVSS 9.8NVD feed
Published 6 November 2026 · tracked since 7 November 2026
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, ReverseProxyGuard::user() reads the default REMOTE_USER identity header, or a custom identity header selected by the AUT
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-120043 HIGH 7.5
- CVE-2026-119167 HIGH 7.2
- CVE-2026-110534 MEDIUM 6.4
- CVE-2026-19803 CRITICAL 9.8
- CVE-2026-121516 MEDIUM 6.1
- CVE-2026-120739 HIGH 7.2
- CVE-2026-120677 HIGH 7.2
- CVE-2026-120560 MEDIUM 6.5
- CVE-2026-119158 HIGH 7.2
- CVE-2026-93754 CRITICAL 9.8