CVE WatchOct 15, 2026

CVE-2026-84313

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, POST /api/otp_enroll and POST /api/finish_passkey_register are re

CVSS

8.8

High

EPSS

0.4%

p36

KEV

—

Exploit Today

0-100

Published: Oct 12, 2026 · Last modified: Oct 15, 2026 · CWE-287 · CWE-306

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-10-132026-10-23

Technical description

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, POST /api/otp_enroll and POST /api/finish_passkey_register are registered outside RequireSecureSession and accept a normal authenticated session without verifying the current password. An attacker with a stolen JWT can bind an attacker-controlled TOTP secret when the victim has not already enabled TOTP, or can register an attacker-controlled passkey because that path has no equivalent existing-enrollment guard. These changes create persistent account access that can survive a password change and interfere with the legitimate user's authentication. This issue is fixed in version 2.4.1.

Official references

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