vulnerability

OpenSSH Vulnerability: CVE-2026-35414

Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:N)
Published
Apr 17, 2026
Added
Apr 17, 2026
Modified
Apr 17, 2026

Description

OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters.

Solution

openbsd-openssh-upgrade-10_3
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.