CVE-2026-40460

EUVD-2026-29974
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
f5CNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
f5nginx_plus
1.26.0 ≤
𝑥
< 1.30.1
CNA
Debian logo
Debian Releases
Debian Product
Codename
nginx
bookworm
1.22.1-9+deb12u6
fixed
bookworm (security)
1.22.1-9+deb12u8
fixed
bullseye
1.18.0-6.1+deb11u3
fixed
bullseye (security)
1.18.0-6.1+deb11u7
fixed
forky
1.30.1-4
fixed
sid
1.30.1-5
fixed
trixie
vulnerable
trixie (security)
1.26.3-3+deb13u6
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
nginx
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-all-modules
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-core
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-core-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-debugsource
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-filesystem
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-devel
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-http-image-filter
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-http-image-filter-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-http-perl
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-http-perl-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-http-xslt-filter
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-http-xslt-filter-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-mail
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-mail-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-stream
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
nginx-mod-stream-debuginfo
Amazon Linux 2023
1:1.30.1-1.amzn2023.0.1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
nginx
Azure Linux 3.0
0:1.28.3-2.azl3
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://my.f5.com/manage/s/article/K000161068