CVE-2026-27651

描述

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.

如何修補 CVE-2026-27651

要修補 CVE-2026-27651,請將受影響套件升級到下列已修補版本。

• —升級至 1.28.3-r0 或更新版本
• —升級至 1.28.3 或更新版本
• —升級至 1.28.3 或更新版本
• —升級至 1.18.0-6.1+deb11u6 或更新版本

CVE-2026-27651 正在被利用嗎?

低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。

受影響套件(4)

• from 0, < 1.28.3-r0
• >= 0.5.15, < 1.28.3, >= 1.29.0, < 1.29.7
• >= 0.5.15, < 1.28.3, >= 1.29.0, < 1.29.7
• from 0, < 1.18.0-6.1+deb11u6

CVSS 分數

參考連結(4)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2026-27651
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2026-27651
• WEBmy.f5.com/manage/s/article/K000160383
• WEBnvd.nist.gov/vuln/detail/CVE-2026-27651