[ CVE-2026-107809 · Published 9 Oct 2026 ]
Nginx-UI AuthRequired token cookie fallback enables CSRF against management APIs
[ Description ]Official description
Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, AuthRequired accepts a browser-managed token cookie as an API credential after the front end stores the JWT in that cookie. Because management endpoints do not universally require a CSRF token or perform Origin or Referer validation, a remote attacker can induce a logged-in administrator's browser to submit authenticated cross-site state-changing requests, including POST /api/configs. The attack requires an administrator account without OTP/Passkey or a target endpoint that does not require secure-session proof. The attacker cannot read the cross-origin response but can modify Nginx configuration, trigger reloads, or invoke other management operations reachable with the victim's session. This issue is fixed in version 2.5.0.
[ Fixes ]Fixes and patches
- github.com/0xJacky/Nginx-UI 1.9.10-0.20260728074433-a3999bd78a3bFixed version · GitHub Advisories · go package github.com/0xJacky/Nginx-UI: upgrade to 1.9.10-0.20260728074433-a3999bd78a3b or later (affected >= 1.9.10-0.20250517140552-daee3ac7ade1, < 1.9.10-0.20260728074433-a3999bd78a3b)
- Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ Packages ]Affected open-source packages
- github.com/0xJacky/Nginx-UI goAffected >= 1.9.10-0.20250517140552-daee3ac7ade1, < 1.9.10-0.20260728074433-a3999bd78a3b · fixed in 1.9.10-0.20260728074433-a3999bd78a3b · GHSA-33rr-wq23-g6gg