Vulnerability in Froxlor
CVE-2026-90767
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.
Vulnerability class: CRLF Injection
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, third-party-advisory)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-90767?
- CVE-2026-90767 is a medium-severity vulnerability in Froxlor, classified under CRLF Injection. CVSS score: 6.5/10. Published 2026-09-13.
- How severe is CVE-2026-90767?
- Medium severity. CVSS v3 base score is 6.5 out of 10.