CVE-2026-110923

medium

Description

A flaw was found in OpenSSH. During an sftp copy, a malicious server can supply an empty name, a slash-only path, or a ".." basename that sftp uses as the local destination, writing outside the directory the user selected.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101835

https://bugzilla.redhat.com/show_bug.cgi?id=2553028

https://access.redhat.com/security/cve/CVE-2026-110923

https://access.redhat.com/errata/RHSA-2026:82247

Details

Source: Mitre, NVD

Published: 2026-10-15

Updated: 2026-10-15

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.00327