netatalk.io

Netatalk Security Advisory

Subject LDAP simple-bind password exposure in log output
CVE ID# CVE-2026-44052
Severity High
Disclosure Date 2026/05/13
Affected Versions 2.1.0 - 4.4.2
Summary LDAP simple-bind passwords are written to logs when a bind failure occurs.

Description

LDAP bind failures may log sensitive authentication material. During ordinary LDAP outage or restart conditions, service account credentials can be exposed to users or systems with access to Netatalk logs.

Patch Availability

Apply CVE-2026-44052.patch to a Netatalk 4.4.2 source tree to hotfix your local Netatalk deployment.

Alternatively, upgrade to Netatalk 4.4.3 or later, which includes the patch.

Netatalk administrators are advised to upgrade to this version or apply the patch as soon as possible.

CVSS Calculation

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (7.5)

Workaround

Use a more secure user authentication method than LDAP simple-bind where possible, and ensure that log access is tightly controlled.

Credits

Vulnerability reported by:

@00redbeer

Patch developed by:

Daniel Markstedt of the Netatalk team

References


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