CVE-2026-95101
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HTTP/3 Request Injection in NGINX Plus and NGINX Open Source
Vulnerability report for CVE-2026-95101, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-14
Last updated on: 2026-10-14
Assigner: F5 Networks
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| F5 | NGINX | Plus 37.1.0 |
| F5 | NGINX | Plus 37.0.0 |
| F5 | NGINX | Plus R36 |
| F5 | NGINX | Plus R35 |
| F5 | NGINX | Plus R34 |
| F5 | NGINX | Plus R33 |
| F5 | NGINX | Open Source 1.31.0 |
| F5 | NGINX | Open Source 1.30.0 |
| F5 | NGINX | Open Source 1.25.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-172 | The product does not properly encode or decode the data, resulting in unexpected values. |
