CVE-2026-16036 miniOrange 2FA < 6.2.7 - 2FA Bypass via Password-Only Second-Factor Rebinding
Attackers with valid passwords can bypass two-factor authentication by rebinding the second factor, leading to full account takeover including administrators.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16036?
CVE-2026-16036 is a high-severity authentication bypass vulnerability in Unknown miniOrange 2FA, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The miniOrange 2FA WordPress plugin before 6.2.7 does not bind the second factor being configured during the pre-login two-factor challenge to the target account's existing factor, allowing an attacker who knows a user's password to rebind that user's second factor to an attacker-controlled destination, complete the challenge, and take over the account, including administrator accounts.
Weakness: CWE-287
Which versions are affected by CVE-2026-16036?
How do I fix CVE-2026-16036?
No fix has been published for CVE-2026-16036 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-16036 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16036 exists.
Sources
Also known as GHSA-2jhx-j965-53r6.