CVE-2026-27651

HIGH

7.5

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/24/2026

Ultima modificacao3/30/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

f5:nginx_open_sourcef5:nginx_plus

Fraquezas (CWE)

CWE-476

Referencias

https://my.f5.com/manage/s/article/K000160383(f5sirt@f5.com)

Correlacoes IOC

Sem correlacoes registradas

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