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Apache MINA SSHD CVE-2026-94052

| EUVDEUVD-2026-89730 CRITICAL
Missing Critical Step in Authentication (CWE-304)
2026-09-29 GHSA-wm5x-hv45-v2v6
Authentication Bypass Apache Java Suse
9.1
CVSS 3.1 · Vendor
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Severity by source

Vendor (CNA) PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vuln.today AI
9.1 CRITICAL

Remote unauthenticated bypass of LDAP password authentication (AV:N/AC:L/PR:N/UI:N) grants SSH access yielding high confidentiality and integrity impact; no availability effect, so A:N.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SUSE
7.4 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from Vendor (CNA).

CVSS VectorVendor

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

3
Patch available
Sep 30, 2026 - 10:02 EUVD
Analysis Generated
Sep 29, 2026 - 20:15 vuln.today
CVE Published
Sep 29, 2026 - 18:29 oss-security
HIGH

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

Articles & Coverage 1

News 14 New Java Vulnerabilities - 4 Critical, 10 High Severity Sep 30, 2026

AnalysisAI

Authentication bypass in the optional sshd-ldap component of Apache MINA SSHD allows unauthenticated remote attackers (CVSS:3.1/AV:N/AC:L/PR:N/UI:N) to pass password authentication checks when an SSH server is configured to use LdapPasswordAuthenticator, yielding high confidentiality and integrity impact (rated 9.1 critical). Affected builds are 1.2.0 through 2.19.0 and 3.0.0-M1 through 3.0.0-M5; servers that rely on sshd-core's built-in password mechanisms, or that do not use sshd-ldap at all, are not affected. …

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Attack ChainAIDerived

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Vulnerability AssessmentAI

Exploitation Exploitable only when the SSH server is implemented with Apache MINA SSHD, includes the optional sshd-ldap component, and is explicitly configured to use an LdapPasswordAuthenticator for password authentication against an LDAP server. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine high-priority authentication-bypass flaw where the raw CVSS 9.1 is largely justified by impact, but real-world exposure is gated by a specific, non-default deployment. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to a fixed release: Apache MINA SSHD 2.20.0 (for the 2.x line) or 3.0.0-M6 (for the 3.0.0 milestone line) - vendor-released patches for this issue; affected 1.2.0-2.19.0 users should move to 2.20.0 and 3.0.0-M1-M5 users to 3.0.0-M6. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, inventory all Apache MINA SSHD deployments for versions 1.2.0-2.19.0 and 3.0.0-M1-3.0.0-M5 and identify any SSH server using the optional sshd-ldap component with LdapPasswordAuthenticator; for affected systems, immediately disable or remove sshd-ldap or switch to sshd-core's built-in password mechanisms, restrict SSH access to trusted networks, and enable authentication logging. …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected

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CVE-2026-94052 vulnerability details – vuln.today
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