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vulnerabilityCVE-2026-27651
Name
CVE-2026-27651
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
nginx
Exploitable
nginx
Exploitable

Vulnerability Ratings#


8.7
CVSSv4
7.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.30.2
Not Affected
buildroot
master
1.30.2
Not Affected
yocto
kirkstone
1.20.1
Exploitable
yocto
master
1.30.2
Not Affected