BaselineWatch
Desk
Your fleet and your work Fleetyour releases and the hardware they run onTriagewhat needs a decisionWatchlistthe products and platforms you runSaved searchesthe lists you come back to
This instance Sourceswhat is read, how often, under what termsDigestthe daily or weekly summary, and alerts
How it is drawn Appearancethe look and the colour schemeBrandingthe mark this instance wears
Owner sign-in

CVE-2026-40460

6.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Fix

Patch, vendor advisory and mitigation references on NVD 1

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

Change history 1

  1. First seenCVSS 6.9 · f5NVD modified 2026-10-26 17:10

Affected (CPE criteria) 8

  • cpe:2.3:a:f5:dos:*:*:*:*:*:nginx:*:*
  • cpe:2.3:a:f5:dos:4.8.0:*:*:*:*:nginx:*:*
  • cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_ingress_controller:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:nginx_plus:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:waf:*:*:*:*:*:nginx:*:*

References 1