{"id":"CVE-2026-106552","title":"In sftp in OpenSSH before 10.6, a server can trigger directory traversal (causing files to be written to unintended locations) during a recursive copy operation.","summary":"In sftp in OpenSSH before 10.6, a server can trigger directory traversal (causing files to be written to unintended locations) during a recursive copy operation.","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","cwe":["CWE-23","CWE-22"],"vendor":"openbsd","product":"openssh","affected":["openssh < 10.6"],"patched":["openssh 10.6"],"published":"2026-10-06","updated":"2026-10-13","sourceUpdated":"2026-10-13T15:26:59.587","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106552","references":[{"url":"https://www.openssh.org/releasenotes.html#10.6","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106552.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-106552"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2547187"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-106552"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106552"},{"url":"https://access.redhat.com/errata/RHSA-2026:82247"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00358,"epssPercentile":0.29394,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-07T21:11:55.723070Z"},"ingestedAt":"2026-10-06T21:20:28.987Z","slug":"CVE-2026-106552","body":"## Overview\n\nIn sftp in OpenSSH before 10.6, a server can trigger directory traversal (causing files to be written to unintended locations) during a recursive copy operation.\n\n## Affected\n\n- `openssh < 10.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openssh 10.6`\n\n## Vendor advisories\n\n- **RHSA-2026:82247** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:82247)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106552.json)","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}