PT-2026-29833 · Openbsd+4 · Openssh+4

Rabbit · Published 2026-04-02 · Updated 2026-05-28 · CVE-2026-35386

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.3

Description OpenSSH versions before 10.3 may allow command execution through shell metacharacters present in a username specified within a command line. This requires an untrusted username on the command line and a non-default configuration of '%' in the ssh config file.

Recommendations Update to OpenSSH version 10.3 or later.

Fix

DoS

Weakness Enumeration

CWE-696

Related Identifiers

ALSA-2026:13380

ALSA-2026:13381

ALSA-2026:13383

ALSA-2026:19069

ALSA-2026:19219

CVE-2026-35386

ECHO-96EA-A64A-B85B

JLSEC-2026-75

OESA-2026-1963

RHSA-2026:12389

RHSA-2026:13380

RHSA-2026:13381

RHSA-2026:13383

RHSA-2026:19069

RHSA-2026:19219

USN-8222-1

Affected Products

Ibm Aix

Linuxmint

Openssh

Rocky Linux

Ubuntu

References · 57

• https://ubuntu.com/security/CVE-2026-35385 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-35387 · Security Note
• https://errata.rockylinux.org/RLSA-2026:13383 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-75 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2026:19219 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-35387 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-35386 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-35385 · Security Note
• https://osv.dev/vulnerability/ALSA-2026:13380 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2026-19219.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:19219 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:19069 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2026-13381.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8222-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-35386 · Security Note