SB2026042996 - Anolis OS update for openssh

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Main Vulnerability Database SB2026042996

SB2026042996 - Anolis OS update for openssh

Published: April 29, 2026

Security Bulletin ID SB2026042996
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2026-35414)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to bypass principal restrictions in certificate-based authentication.

The vulnerability exists due to improper access control in sshd(8) when matching an authorized_keys principals="" option against a list of principals in a certificate. A remote user can present a specially crafted certificate to bypass principal restrictions in certificate-based authentication.

This condition only affects user-trusted CA keys in authorized_keys and requires multiple principals to be listed, including a certificate principal containing a comma character.


Remediation

Install update from vendor's website.

References