Vulnerability in F5 NGINX Plus

[ Description ]Official 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.

[ Fixes ]Fixes and patches

• Security bulletin: F5 K000162613Vendor patch or bulletin · CERT-FR · my.f5.com/manage/s/article/K000162613, cited by CERT-FR CERTFR-2026-AVI-1317
• Security bulletin: F5 K000162606Vendor patch or bulletin · CERT-FR · my.f5.com/manage/s/article/K000162606, cited by CERT-FR CERTFR-2026-AVI-1317
• Security bulletin: F5 K000162416Vendor patch or bulletin · CERT-FR · my.f5.com/manage/s/article/K000162416, cited by CERT-FR CERTFR-2026-AVI-1317
• Security bulletin: F5 K000162607Vendor patch or bulletin · CERT-FR · my.f5.com/manage/s/article/K000162607, cited by CERT-FR CERTFR-2026-AVI-1317
• Security bulletin: F5 K000162608Vendor patch or bulletin · CERT-FR · my.f5.com/manage/s/article/K000162608, cited by CERT-FR CERTFR-2026-AVI-1317

[ Advisories ]Government CERT advisories

• CERT-FR19 Oct 2026CERTFR-2026-AVI-1341

  Multiple vulnerabilities in F5 products Translated from French

  Multiple vulnerabilities have been discovered in F5 products. Some of them allow an attacker to cause remote arbitrary code execution, remote denial of service and a breach of data confidentiality.

  CVE-2026-91184CVE-2026-101019CVE-2026-96615+8 more CVEs
• CERT-FR15 Oct 2026CERTFR-2026-AVI-1317

  Multiple vulnerabilities in F5 products Translated from French

  Multiple vulnerabilities have been discovered in F5 products. Some of them allow an attacker to cause remote arbitrary code execution, a breach of data confidentiality and a breach of data integrity.

  CVE-2026-15176CVE-2026-97205CVE-2026-95101+2 more CVEs
• BSI CERT-Bund14 Oct 2026WID-SEC-2026-3948

  NGINX: Multiple vulnerabilities Translated from German

  Risk highCVE-2026-101025CVE-2026-15176CVE-2026-91184+8 more CVEs

[ References ]References

• my.f5.com/manage/s/article/K000162613