CVE-2026-90767 PUBLISHED

Froxlor before 2.3.12 fails to properly validate multi-line SSH public keys in the SshKeys::add() endpoint, allowing customers to inject arbitrary lines into authorized_keys files. Attackers can inject malicious SSH key entries with option directives to gain persistent unauthorized access that survives key deletion and SSH access revocation.

• George Chen reporter

• GitHub Security Advisory (GHSA-p3v3-74gc-jh5f)
• https://github.com/froxlor/Froxlor/blob/2.3.10/lib/Froxlor/Api/Commands/SshKeys.php
• https://github.com/froxlor/Froxlor/blob/2.3.10/lib/Froxlor/Cron/System/SshKeys.php
• https://github.com/froxlor/Froxlor
• VulnCheck Advisory: Froxlor before 2.3.12 SSH Key Injection via authorized_keys

• Improper Neutralization of CRLF Sequences ('CRLF Injection') CWE