CVE-2026-90767
Severity CVSS v4.0:
HIGH
Type:
CWE-93
Improper Neutralization of CRLF Sequences ('CRLF Injection')
Publication date:
13/09/2026
Last modified:
23/09/2026
Description
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.
Impact
Base Score 4.0
7.10
Severity 4.0
HIGH
Base Score 3.x
6.50
Severity 3.x
MEDIUM
References to Advisories, Solutions, and Tools
- https://github.com/froxlor/Froxlor
- 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/security/advisories/GHSA-p3v3-74gc-jh5f
- https://www.vulncheck.com/advisories/froxlor-before-2.3.12-ssh-key-injection-via-authorized-keys
- https://github.com/froxlor/Froxlor/security/advisories/GHSA-p3v3-74gc-jh5f