CVE-2026-110923
A flaw was found in OpenSSH.
Published Oct 15, 2026 · updated Oct 15, 2026 · Red Hat Red Hat Hardened Images
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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · NIST NVD
Detected
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.
Oct 15, 2026 · NIST NVD
Updated
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.
Oct 15, 2026 · NIST NVD
Updated
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.
Oct 15, 2026 · CIRCL Vulnerability Lookup
Updated
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.
Affected
- vendor Red Hat Red Hat Enterprise Linux 10version unspecified
- vendor Red Hat Red Hat Enterprise Linux 6version unspecified
- vendor Red Hat Red Hat Enterprise Linux 7version unspecified
- vendor Red Hat Red Hat Enterprise Linux 8version unspecified
- vendor Red Hat Red Hat Enterprise Linux 9version unspecified
- vendor Red Hat Red Hat Hardened Imagesversion unspecified
- vendor Red Hat Red Hat OpenShift Container Platform 4version unspecified
Sources
- CIRCL Vulnerability LookupVulnerability recordCVE-2026-110923
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.
vulnerability.circl.lu - CVE.orgVulnerability recordCVE-2026-110923
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.
cve.org - FIRST EPSSExploitation probabilityCVE-2026-110923
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2026-110923
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.
nvd.nist.gov