PT-2026-61720 · Apache · Apache Mina Sshd

Mitchell Benjamin · CVE-2026-56624 · Published 2026-07-20 · Updated 2026-07-20

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Apache MINA SSHD versions prior to 2.19.0 Apache MINA SSHD versions prior to 3.0.0-M5

Description Improper certificate validation occurs during server-side OpenSSH user authentication. The server fails to check or validate the force-command or verify-required options embedded in certificates. This allows a user to authenticate with a certificate containing a force-command option and potentially execute commands other than the one specified, depending on the server implementation.

Recommendations Upgrade to version 2.19.0. Upgrade to version 3.0.0-M5.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2026-56624

Affected Products

Apache Mina Sshd

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-56624 · Security Note
• https://lists.apache.org/thread/o4c2jml522j3z80gbryqzc2f1253ltp6 · Vendor Advisory
• https://twitter.com/vulnipulse/status/2079308937032306776 · Twitter Post
• http://openwall.com/lists/oss-security/2026/07/20/17 · Note