CVE-2026-39664 MEDIUM

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

Vendor Leadrebel
Product Leadrebel
Weakness CWE-862 · Missing authorization
Published April 8, 2026
Last update April 29, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Leadrebel versions up to 1.0.2 lack proper authorization checks, allowing unauthenticated attackers to disrupt service availability. The vulnerability requires only network access and no user interaction. An attacker can repeatedly trigger the flaw to degrade or disable the application's availability.

What an attacker can do

03Attacker Capabilities

Disrupt service availability by sending network requests without authentication.

Potential impact on your site

04Site Impact

Service disruptions or downtime if the application is exposed to the internet or untrusted networks.

Conditions required to exploit

05Prerequisites

Network access to the Leadrebel instance; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE

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