CVE-2026-16619 miniOrange 2FA < 6.2.8 - 2FA Bypass via Unlimited Second-Factor Attempts
Attackers with valid passwords can bypass two-factor authentication by unlimited guessing of one-time codes due to flawed attempt tracking.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16619?
CVE-2026-16619 is a high-severity vulnerability in Unknown miniOrange 2FA, published on 6 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The miniOrange 2FA WordPress plugin before 6.2.8 does not correctly limit the number of second-factor verification attempts, tracking them against a client-supplied identifier that is reissued on every login, allowing an attacker who already knows a user's password to guess the one-time code without limit and take over the account.
Weakness: CWE-307
Which versions are affected by CVE-2026-16619?
How do I fix CVE-2026-16619?
No fix has been published for CVE-2026-16619 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16619 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16619 exists.
Sources
Also known as GHSA-m749-g32x-9hgv.