CVE-2026-100709

Froxlor through 2.3.10 stores only a numeric user ID in remembered-2FA tokens (panel_2fa_tokens) without recording the account namespace, and the remembered-token lookup during login is not constrained to the customer or administrator account type. Because customer and administrator IDs are allocated from separate namespaces, a remembered-2FA token legitimately issued to a customer with a given ID also matches an administrator with the same ID. An attacker who controls a customer account with a colliding ID, holds a valid remembered-2FA cookie for it, and already knows the target administrator's password can bypass the administrator's TOTP second factor and obtain an authenticated administrator session. This is a second-factor bypass only; it does not defeat password authentication. Fixed in 2.3.12.

• CWE-287

• https://github.com/froxlor/froxlor/security/advisories/GHSA-9fq7-9w8p-c3qh
• https://www.vulncheck.com/advisories/froxlor-before-2.3.12-2fa-bypass-via-namespace-confusion

Published

Sep 26, 2026

Last Modified

Sep 26, 2026

Status

Deferred

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