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CVE-2026-107808 Details

Description

Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, POST /api/login checks EnabledOTP but does not require a WebAuthn assertion when EnabledPasskey is true and no TOTP secret is configured. A passkey-only account is therefore issued a session after password verification, despite Enabled2FA reporting that the account has a second factor. An attacker who obtains the password can take over the account and reach administrative functionality without the registered passkey. This issue is fixed in version 2.5.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-45gv-9wjv-xh7p	CISA-ADP	ExploitVendor AdvisoryMitigation
https://github.com/0xJacky/nginx-ui/commit/95cd21b70814e5d9a48a359aa238aeea1ac97429	[email protected]	Patch
https://github.com/0xJacky/nginx-ui/releases/tag/v2.5.0	[email protected]	Release Notes
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-45gv-9wjv-xh7p	[email protected]	ExploitVendor AdvisoryMitigation

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]
CWE-305	Authentication Bypass by Primary Weakness	[email protected]
CWE-308	Use of Single-factor Authentication	[email protected]

Affected Products

Product	Versions
nginxui nginx ui	>= 2.0.0, < 2.5.0
CPE cpe:2.3:a:nginxui:nginx_ui:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 20, 2026	Initial Analysis	[email protected]
Oct 9, 2026	CVE Modified	CISA-ADP
Oct 9, 2026	New CVE Received	[email protected]