CVE-2026-39664 WordPress Leadrebel plugin <= 1.0.2 - Broken Access Control vulnerability

Medium 5.3 Published Updated

Attackers can bypass access controls in the Leadrebel WordPress plugin to perform unauthorized actions.

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-2026-39664?

CVE-2026-39664 is a medium-severity missing authorization vulnerability in Leadrebel, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Missing Authorization vulnerability in leadrebel Leadrebel leadrebel allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Leadrebel: from n/a through <= 1.0.2.

Weakness: CWE-862

Which versions are affected by CVE-2026-39664?

How do I fix CVE-2026-39664?

No fix has been published for CVE-2026-39664 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-2026-39664 being exploited?

There is no known exploitation of CVE-2026-39664 in the wild and no public exploit code.

Sources

Also known as GHSA-vcv7-hm7p-jvh2.

Is CVE-2026-39664 in your software?

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