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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.

🗓️ 04 Apr 2026 08:02:14Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 5 Views

OpenSSH before 10.3 mishandles authorized_keys principals with a principals list and a comma-using certificate authority.

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04 Jun 2026 08:40Current
6Medium risk
Vulners AI Score6
CVSS 3.14.2 - 8.1
EPSS0.00176
SSVC
5