What’s Vulnerable › Vulnerabilities

CVE-2026-0964: Libssh: improper sanitation of paths received from scp servers

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-26 · updated 2026-09-01
• Weakness: CWE-22

Description

A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue as in OpenSSH, tracked as CVE-2019-6111.

Affected products

• libssh: before 0.11.4 — fixed in 0.11.4
• Red Hat Enterprise Linux: 8.0, 9.0, 10.0
• RedHat Hardened Images: all versions
• Red Hat OpenShift Container Platform 4.18: 4.0

How to fix

Upgrade to a fixed version: libssh 0.11.4. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2026:18160
• https://access.redhat.com/errata/RHSA-2026:18683
• https://access.redhat.com/security/cve/CVE-2026-0964
• https://bugzilla.redhat.com/show_bug.cgi?id=2436979
• https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/

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