CVE-2026-40460
MEDIUM
MEDIUM
Priority: 0.03
BB Relevance:
74/100
Published: 2026-05-13
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
X
AT:
None
VC:
Low
VI:
None
VA:
Low
Description
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.
Weakness Classification (1)
Affected Software (8)
| Vendor | Product | Version |
|---|---|---|
| f5 | dos | 4.3.0 – 4.7.0 |
| f5 | dos | 4.8.0 |
| f5 | nginx_gateway_fabric | 1.3.0 – 1.6.2 |
| f5 | nginx_ingress_controller | 3.5.0 – 3.7.2 |
| f5 | nginx_instance_manager | 2.16.0 – 2.22.0 |
| f5 | nginx_open_source | 1.25.0 – 1.30.0 |
| f5 | nginx_plus | r32 – r36 |
| f5 | waf | 4.9.0 – 4.16.0 |
References & Advisories (1)
Vendor Advisory