Nginx UI is a web user interface for the Nginx web server. From 2.5.0 until 2.6.0, the node-signature authentication path performs temporary file staging of an attacker-controlled request body and synchronizes it before validating the body digest and cryptographic signature. An unauthenticated remote client that can reach the API and provide syntactically valid signature metadata can consume temporary filesystem capacity, disk input and output, and request-processing resources before rejection. The issue affects availability and does not bypass authentication or provide confidentiality or integrity impact. This issue is fixed in version 2.6.0.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/0xJacky/nginx-ui/commit/8c9b9a1aff218ee6c980d047b750e49da3c46796 Patch
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-j3hg-9rp3-5hw9 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 3
- Cpes+1 CPE criteria (now 1)NVD modified 2026-10-20 20:50
- StatusUndergoing Analysis → AnalyzedNVD modified 2026-10-20 20:50
- First seenCVSS 7.5NVD modified 2026-10-13 17:17
Affected (CPE criteria) 1
cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*