Path traversal in Apache Mina SSHD - CVE-2026-56452

 

Path traversal in Apache Mina SSHD - CVE-2026-56452

Published: August 24, 2026


Vulnerability identifier: #VU144740
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56452
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to write files to unintended locations.

The vulnerability exists due to path traversal in the sshd-scp component when receiving files or directories via SCP. A remote user can send specially crafted SCP "C" or "D" commands with filenames containing paths to write files to unintended locations.

Only applications using the SCP receive functionality are affected.


Affected software

Apache Mina SSHD
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
Development Tools Module
apache-sshd

How to mitigate CVE-2026-56452

Install security update from vendor's website.

Apache Mina SSHD - addressed in versions 2.19.0, 3.0.0-M5
apache-sshd - update to 2.19.0-150200.5.16.1

External References

Related Security Bulletins