CVE-2026-35386
Published: April 4, 2026Last modified: April 17, 2026
Description
In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in ssh_config.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | openssh | Unknown (9.1_p1-r3) |
| 25 LTS | openssh | Fixed (10.3_p1-r0) | |
| Stream | openssh | Fixed (10.3_p1-r0) | |
| Hardened Containers | 23 LTS | openssh | Unknown (9.1_p1-r3) |
| 25 LTS | openssh | Fixed (10.3_p1-r0) | |
| Stream | openssh | Fixed (10.3_p1-r0) |