CVE-2026-95101CWE-172

CVE-2026-95101

Medium · published October 14, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
15.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00247 · 15.1th percentile
Weakness
CWE-172 · Encoding Error
Published
2026-10-14T19:17Z
References (1)
https://my.f5.com/manage/s/article/K000162613 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 14 OCT 14:40Z
    NGINX ngx_http_v3_module vulnerability
    cvelistv5
  • 14 OCT 14:40Z
    NGINX ngx_http_v3_module vulnerability
    cvelistv5