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vulnerabilityCVE-2026-35386
Name
CVE-2026-35386
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
openssh
Exploitable

Vulnerability Ratings#


3.6
CVSSv31
8.1
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
9.9p2
Patched
buildroot
master
10.3p1
Not Affected
openwrt
master
10.3_p1-r2
Not Affected
openwrt
openwrt-25.12
10.3_p1-r1
Not Affected
yocto
master
10.3p1
Not Affected
yocto
scarthgap
9.6p1
Exploitable

Resolved with patches#


openssh (buildroot:2025.02.x)

#
Title
Author
Resolve
1
upstream: apply the same validity rules to usernames and hostnames
"djm@openbsd.org" <djm@openbsd.org>
CVE-2026-35386
2
upstream: move username validity check for usernames specified on
"djm@openbsd.org" <djm@openbsd.org>
CVE-2026-35386
3
upstream: adapt to username validity check change
"djm@openbsd.org" <djm@openbsd.org>
CVE-2026-35386