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Advisory record · GHSA-45gv-9wjv-xh7p

Nginx UI: Authentication bypass: password login does not enforce a passkey-only second factor (2FA bypass)

CVSS 8.1 HighEPSS 0.0041 · 35th percentile

Published by the GitHub Advisory Database at 9 Oct 2026, 17:08 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/0xJacky/Nginx-UIGo>=1.9.10-0.20250517140552-daee3ac7ade1, <1.9.10-0.20260728074558-95cd21b708141.9.10-0.20260728074558-95cd21b70814
Identifiers
GHSA-45gv-9wjv-xh7p · CVE-2026-107808 · GO-2026-6704
Weakness (CWE)
CWE-287 · CWE-305 · CWE-308
Tags
Published
9 Oct 2026
Updated
19 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Nginx-UI (Go module github.com/0xJacky/Nginx-UI) versions from 1.9.10-0.20250517140552-daee3ac7ade1 up to, but not including, 1.9.10-0.20260728074558-95cd21b70814 are affected. The password login endpoint enforces a second factor only when a TOTP secret is configured, so an account protected only by a passkey can log in with its password alone. An attacker who obtains the password can gain full access, which in this product can lead to control of the managed nginx instance and host. Upgrade to 1.9.10-0.20260728074558-95cd21b70814 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.1 High 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.