CVE-2026-27651
F5 NGINX Open Source, NGINX Plus, Red Hat Enterprise Linux 10 취약점
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.
- 대응 우선순위
- 점검
- CVSS
- 8.7
- EPSS
- 0.94% 백분위 57.4% · 2026.08.03 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.03.25