Improper Authentication in Froxlor - #VU135776
Published: June 29, 2026
Vulnerability identifier: #VU135776
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: froxlor
Affected software:
Froxlor
Froxlor
Detailed vulnerability description
The vulnerability allows a remote user to bypass two-factor authentication and gain full access to API operations.
The vulnerability exists due to improper authentication in FroxlorRPC::validateAuth when handling API authentication with an API key and secret for an account with 2FA enabled. A remote user can use a leaked API key and secret to bypass two-factor authentication and gain full access to API operations.
The issue affects accounts that have 2FA enabled because the API path does not issue or verify a TOTP challenge, unlike the web UI.
Remediation
Install security update from vendor's website.