CVE-2026-40460
NGINX ngx_quic_module vulnerability
CVE-2026-40460 is fixed in 29 products on 1 platform, first by libnginx-mod-http-geoip 1.28.0-6ubuntu1.4, released May 22, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0037
31st percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libnginx-mod-http-geoip · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-http-geoip 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-http-geoip · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-http-geoip 1.28.3-2ubuntu1.2 | May 22, 2026 |
| libnginx-mod-http-image-filter · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-http-image-filter 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-http-image-filter · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-http-image-filter 1.28.3-2ubuntu1.2 | May 22, 2026 |
| libnginx-mod-http-perl · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-http-perl 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-http-perl · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-http-perl 1.28.3-2ubuntu1.2 | May 22, 2026 |
| libnginx-mod-http-xslt-filter · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-http-xslt-filter 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-http-xslt-filter · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-http-xslt-filter 1.28.3-2ubuntu1.2 | May 22, 2026 |
| libnginx-mod-mail · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-mail 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-mail · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-mail 1.28.3-2ubuntu1.2 | May 22, 2026 |
| libnginx-mod-stream · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-stream 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-stream · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-stream 1.28.3-2ubuntu1.2 | May 22, 2026 |
| libnginx-mod-stream-geoip · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | libnginx-mod-stream-geoip 1.28.0-6ubuntu1.4 | May 22, 2026 |
| libnginx-mod-stream-geoip · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | libnginx-mod-stream-geoip 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx · Debian 13.5 (trixie) | 1.26.3-3+deb13u5 | DEBIAN-CVE-2026-40460 | May 27, 2026 |
| nginx · Debian 14 | 1.30.0-4 | DEBIAN-CVE-2026-40460 | May 27, 2026 |
| nginx · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | nginx 1.28.0-6ubuntu1.4 | May 22, 2026 |
| nginx · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | nginx 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx · opensuse-leap 16.0 | 1.27.2-160000.6.1 | OPENSUSE-SU-2026:21439-1 | Jul 24, 2026 |
| nginx · sles 16.0 | 1.27.2-160000.6.1 | SUSE-SU-2026:22951-1 | Jul 24, 2026 |
| nginx-all-modules · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-common · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | nginx-common 1.28.0-6ubuntu1.4 | May 22, 2026 |
| nginx-common · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | nginx-common 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx-core · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | nginx-core 1.28.0-6ubuntu1.4 | May 22, 2026 |
| nginx-core · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | nginx-core 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx-core · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-core-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-debugsource · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-extras · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | nginx-extras 1.28.0-6ubuntu1.4 | May 22, 2026 |
| nginx-extras · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | nginx-extras 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx-filesystem · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-full · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | nginx-full 1.28.0-6ubuntu1.4 | May 22, 2026 |
| nginx-full · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | nginx-full 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx-light · Ubuntu 25.10 (questing) | 1.28.0-6ubuntu1.4 | nginx-light 1.28.0-6ubuntu1.4 | May 22, 2026 |
| nginx-light · Ubuntu 26.04.1 LTS (resolute) | 1.28.3-2ubuntu1.2 | nginx-light 1.28.3-2ubuntu1.2 | May 22, 2026 |
| nginx-mod-devel · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-http-image-filter · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-http-image-filter-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-http-perl · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-http-perl-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-http-xslt-filter · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-http-xslt-filter-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-mail · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-mail-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-stream · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
| nginx-mod-stream-debuginfo · amzn 2023 | 1:1.30.1-1.amzn2023.0.1 | ALAS2023-2026-1714 | May 25, 2026 |
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