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org.apache.sshd/sshd-core 2.6.0 | Vulnerab… | Sonatype Guide
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maven
org.apache.sshd
sshd-core
2.6.0
sshd-core 2.6.0
org.apache.sshd
Published
Dec 7, 2020
•
Policy
compliance
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Overview
Overview
Versions
56
Versions
56
Vulnerabilities
3
Vulnerabilities
3
Dependencies
1
Dependencies
1
Severity
Critical
(0)
High
(1)
Medium
(2)
Low
(0)
CVSS Score
0.0
10.0
EPSS Score
0.0
1.0
Malware
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7.3
CVE-2026-56624
Improper certificate validation in Apache MINA SSHD (server-side). Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or verify-required options that could be embedded in the certificate, nor did it validate these options. As a result it was possible that a user could authenticate with such a certificate that included a force-command option but still was able to execute other commands. What other command exactly would be available to the user depends on the implementation of the server. This issue is fixed in Apache MINA SSHD 2.19.0 and 3.0.0-M5. Applications are advised to upgrade to these versions. The fix rejects OpenSSH user certificates that include these options, since Apache MINA SSHD implements neither force-command nor sk-*-cert-v01@openssh.com user certificates (which are the only ones for which verify-required would make sense).
affected
Severity
High
Published
Jul 21, 2026
5.9
CVE-2024-41909
Like many other SSH implementations, Apache MINA SSHD suffered from the issue that is more widely known as CVE-2023-48795. An attacker that can intercept traffic between client and server could drop certain packets from the stream, potentially causing client and server to consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack The mitigations to prevent this type of attack were implemented in Apache MINA SSHD 2.12.0, both client and server side. Users are recommended to upgrade to at least this version. Note that both the client and the server implementation must have mitigations applied against this issue, otherwise the connection may still be affected.
affected
Severity
Medium
Published
Aug 13, 2024
6.5
CVE-2021-30129
A vulnerability in sshd-core of Apache Mina SSHD allows an attacker to overflow the server causing an OutOfMemory error. This issue affects the SFTP and port forwarding features of Apache Mina SSHD version 2.0.0 and later versions. It was addressed in Apache Mina SSHD 2.7.0
affected
Severity
Medium
Published
Jul 13, 2021
