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CVE-2026-107811

8.8 high SSVC exploitation: poc Analyzed

Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, ordinary authenticated users can access /api/nodes and /api/nodes/:id, whose responses serialize the node token field. The same token is accepted as X-Node-Secret by AuthRequired and maps the request to initUser, allowing the user to impersonate a trusted node against a reachable cluster member. This cross-node authentication bypass can expose sensitive management operations, including configuration synchronization and service restart. This issue is fixed in version 2.5.0.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 3

  1. Cpes+1 CPE criteria (now 1)NVD modified 2026-10-20 15:07
  2. StatusUndergoing Analysis → AnalyzedNVD modified 2026-10-20 15:07
  3. First seenCVSS 8.8NVD modified 2026-10-14 02:16

Affected (CPE criteria) 1

  • cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*

References 4