[ CVE-2026-107812 · Published 9 Oct 2026 ]
Nginx UI: Self-upgrade runs an unsigned binary verified only by a same-origin digest → RCE via a compromised mirror or MITM
CVSS 7.5
EPSS <1%Fix available
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official description
Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, the self-upgrade mechanism validates a downloaded binary only with a same-origin digest obtained from the same upgrade mirror. A compromised mirror or network attacker able to alter both responses can supply a malicious executable and matching digest. An operator-triggered upgrade is required, and the application installs and runs the attacker-controlled code in the Nginx UI process context on the next upgrade. This issue is fixed in version 2.5.0.
[ Fixes ]Fixes and patches
- github.com/0xJacky/Nginx-UI 1.9.10-0.20260728114330-580585516dd8Fixed version · GitHub Advisories · go package github.com/0xJacky/Nginx-UI: upgrade to 1.9.10-0.20260728114330-580585516dd8 or later (affected >= 1.9.10-0.20250517140552-daee3ac7ade1, < 1.9.10-0.20260728114330-580585516dd8)
- 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, < 1.9.10-0.20260728114330-580585516dd8 · fixed in 1.9.10-0.20260728114330-580585516dd8 · GHSA-662p-52hx-cmh2