CVE-2026-35414

high

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.

References

Advisories
More

https://www.openwall.com/lists/oss-security/2026/04/02/3

https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2

https://www.openssh.org/releasenotes.html#10.3p1

Details

Source: Mitre, NVD

Published: 2026-04-02

Updated: 2026-04-10

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H