CVE-2026-27651 in F5 NGINX Open Source
Sumário (Inglês)
When the ngx_mail_auth_http_module module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when (1) CRAM-MD5 or APOP authentication is enabled, and (2) the authentication server permits retry by returning the Auth-Wait response header. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Reservar
18/03/2026
Divulgação
24/03/2026
Inscrições
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerabilidade | CWE | Exp | Con | CVE |
|---|---|---|---|---|---|
| 352781 | F5 NGINX Open Source/NGINX Plus Response Header ngx_mail_auth_http_module Negação de Serviço | 476 | Não definido | Correção oficial | CVE-2026-27651 |