CVE-2026-95101

Public on 2026-10-14
Modified on 2026-10-16
Description
Description
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with

proxy_request_buffering on directive, an unauthenticated attacker may be able to inject data in the proxied request.

Impact


This vulnerability may allow remote attackers to

inject data in the proxied request.  There is no control plane exposure; this is a data plane issue only.






Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Nginx1 Extra nginx Pending Fix
Amazon Linux 2 - Nginx1.12 Extra nginx No Fix Planned
Amazon Linux 2023 nginx Pending Fix
Amazon Linux 2027 Preview nginx Pending Fix
Amazon Linux 2027 Preview nginx-awslc Pending Fix
Amazon Linux 2023 nginx-mod-headers-more Not Affected
Amazon Linux 2027 Preview nginx-mod-headers-more Not Affected
Amazon Linux 2023 nginx-mod-njs Not Affected
Amazon Linux 2027 Preview nginx-mod-njs Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N