Vulnerability in OpenBSD OpenSSH
CVE-2026-35386
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- OpenBSD OpenSSH — versions 0
Weakness classification (CWE)
References
- www.openssh.org/releasenotes.html (Release Notes)
- marc.info/ (Third Party Advisory)
- www.openwall.com/lists/oss-security/2026/04/02/3 (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-35386?
- CVE-2026-35386 is a low-severity vulnerability in OpenBSD OpenSSH, classified under CWE-696. CVSS score: 3.6/10. Published 2026-04-02.
- How severe is CVE-2026-35386?
- Low severity. CVSS v3 base score is 3.6 out of 10.