CVE-2026-16035 miniOrange 2FA < 6.2.7 - Subscriber+ Arbitrary-Recipient OTP Send

Medium 4.3 Published Updated

Low-privileged users can send OTP emails to arbitrary recipients, exhausting site quotas and blocking legitimate 2FA access.

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-2026-16035?

CVE-2026-16035 is a medium-severity missing authorization vulnerability in Unknown miniOrange 2FA, published on 4 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 6.2.7 does not restrict who can trigger its second-factor configuration OTP send, nor bind the OTP recipient to the enrolling user's own address, allowing a low-privileged user to send one-time-passcode emails to arbitrary recipients and to exhaust the site's metered OTP allowance, preventing legitimate users from receiving their second-factor codes.

Weakness: CWE-862

Which versions are affected by CVE-2026-16035?

How do I fix CVE-2026-16035?

No fix has been published for CVE-2026-16035 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-16035 being exploited?

There is no known exploitation of CVE-2026-16035 in the wild and no public exploit code.

Sources

Also known as GHSA-pq9j-g4gw-q76g.

Is CVE-2026-16035 in your software?

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