CVE-2026-27651 - NGINX ngx_mail_auth_http_module vulnerability

CVE-2026-27651 - NGINX ngx_mail_auth_http_module vulnerability

https://cvefeed.io/rssfeed/latest.atom / Tue, 03/24/2026 - 17:08
CVE ID :CVE-2026-27651
Published : March 24, 2026, 2:13 p.m. | 49 minutes ago
Description :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.
Severity: 8.7 | HIGH
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