2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes.
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 AUTH_PROXY_HEADER_FOR_USER configuration setting, without confirming that the request originated from a configured trusted proxy. A remote client that can reach the application directly can forge the selected identity header and authenticate as an existing user, including an administrator, gaining access to stored 2FA secrets and account or application management functions. This issue is fixed in ver
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Bubka
- Product
- 2FAuth
- CVSS v3.1
- 9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Fix
- available
- Weakness
- CWE-287
- NVD status
- Received
Why it ranks 38 (Notable)
- CVSS v3.1 9.8 critical
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-63439 on this site · NVD · CVE.org · Vulnpedia
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