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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.

PUBLISHED Reserved 2026-01-14 | Published 2026-03-26 | Updated 2026-05-19 | Assigner redhat




MEDIUM: 5.0CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Problem types

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status
affected

0:0.12.0-2.el10 (rpm) before *
unaffected

Default status
affected

0:0.10.4-18.el9 (rpm) before *
unaffected

Default status
affected

0:0.10.4-18.el9 (rpm) before *
unaffected

Default status
unaffected

Default status
unaffected

Default status
affected

Default status
unaffected

Default status
affected

Timeline

2026-02-04:Reported to Red Hat.
2026-02-10:Made public.

Credits

Red Hat would like to thank CTyun (Red-Shield Security Lab) and Jakub Jelen (libssh) for reporting this issue.

References

access.redhat.com/errata/RHSA-2026:18160 (RHSA-2026:18160) vendor-advisory

access.redhat.com/errata/RHSA-2026:18683 (RHSA-2026:18683) vendor-advisory

access.redhat.com/security/cve/CVE-2026-0964 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2436979 (RHBZ#2436979) issue-tracking

www.libssh.org/...ibssh-0-12-0-and-0-11-4-security-releases/

cve.org (CVE-2026-0964)

nvd.nist.gov (CVE-2026-0964)

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