CVE-2026-106553
Published: October 9, 2026Last modified: October 10, 2026
Description
In sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | HIGH |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | openssh | Fixed (9.1_p1-r16) |
| 25 LTS | openssh | Fixed (10.6_p1-r0) | |
| Stream | openssh | Fixed (10.6_p1-r0) | |
| Hardened Containers | 23 LTS | openssh | Fixed (9.1_p1-r16) |
| 25 LTS | openssh | Fixed (10.6_p1-r0) | |
| Stream | openssh | Fixed (10.6_p1-r0) |