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Message-ID: <3e93cfe1-34f2-e325-9234-ce34b3fdfa70@apache.org>
Date: Tue, 29 Sep 2026 18:09:24 +0000
From: Thomas Wolf <twolf@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-94052: Apache MINA SSHD: LDAP password authentication
ineffective
Severity: critical
CVSS 3.1: 9.1 (critical) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected versions:
- Apache MINA SSHD 1.2.0 before 2.20.0
- Apache MINA SSHD 3.0.0-M1 before 3.0.0-M6
Description:
A missing check in LdapPasswordAuthenticator in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 or 3.0.0-M1 to 3.0.0-M5 bypassed authentication checks.
Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server.
sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure an LdapPasswordAuthenticator to be used for password authentication. Normal password authentication via the built-in mechanisms in sshd-core is _not_ affected by this vulnerability, which concerns only LdapPasswordAuthenticator.
Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue.
Credit:
Dilrevx (finder)
Ho1aAs <xxy010605@...il.com> (finder)
References:
https://mina.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-94052
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