CVE-2026-35386
8.1
HIGH
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2026-35386
To remediate CVE-2026-35386, upgrade the affected package to a fixed version below.
- Debian/openssh—upgrade to 1:8.4p1-5+deb11u7 or later
Is CVE-2026-35386 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:8.4p1-5+deb11u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |