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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Nginx | — | Upgrade to nginx version 1.31.7Upgrade to nginx version 1.30.6 | Oct 15, 2026 | Oct 14, 2026 |
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