CVE-2026-95101
NGINX ngx_http_v3_module vulnerability
MEDIUM 6.9
At a glance
- Source
- NVD
- EPSS
- EPSS 0.35 % · percentile 28 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- f5
- NVD status
- Awaiting Analysis
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.
Weaknesses (CWE)
- CWE-172 — Improper Encoding or Decoding of Data
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | f5 |
| CVSS 4.0 | MEDIUM 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 | f5 |
| CVSS 4.0 | MEDIUM 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · f5sirt@f5.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | NVD · f5sirt@f5.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-101119
- GCVE · GCVE-0-2026-95101
CERT-FR advisories
- CERTFR-2026-AVI-1341 — Multiples vulnérabilités dans les produits F5 · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1317 — Multiples vulnérabilités dans les produits F5 · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| F5 · NGINX Plus | affected 37.1.0 < 37.2.0.1 ; affected 37.0.0 < 37.0.7.1 ; affected R36 < * ; affected R35 < * ; affected R34 < * ; affected R33 < * |
| F5 · NGINX Open Source | affected 1.31.0 < 1.31.7 ; affected 1.30.0 < 1.30.6 ; affected 1.25.0 < * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |