CVE-2026-106552
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.
CVE-2026-106552 is fixed in 21 products on 1 platform, first by openssh-client 1:10.2p1-2ubuntu3.8, released October 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
29th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| openssh · Debian 14 | 1:10.6p1-1 | DEBIAN-CVE-2026-106552 | Oct 12, 2026 |
| openssh · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-client · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-client 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-client · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-client 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-client · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-client 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-client-gssapi · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-client-gssapi 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-clients · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-clients-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-debugsource · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-gssapi · Debian 14 | 1:10.6p1-1 | DEBIAN-CVE-2026-106552 | Oct 12, 2026 |
| openssh-keycat · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-keycat-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-server · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-server 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-server · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-server 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-server · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-server 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-server · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-server-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-server-gssapi · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-server-gssapi 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-sftp-server · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-sftp-server 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-sftp-server · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-sftp-server 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-sftp-server · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-sftp-server 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-sk-dummy · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-sk-dummy-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-tests · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-tests 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-tests · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-tests 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-tests · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-tests 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| pam_ssh_agent_auth · amzn 2023 | 0.10.4-10.16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| pam_ssh_agent_auth-debuginfo · amzn 2023 | 0.10.4-10.16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| ssh · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | ssh 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| ssh · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | ssh 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| ssh · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | ssh 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| ssh-askpass-gnome · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | ssh-askpass-gnome 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| ssh-askpass-gnome · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | ssh-askpass-gnome 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| ssh-askpass-gnome · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | ssh-askpass-gnome 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
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