What the vulnerability does
01Description
Missing Authorization vulnerability in varunvairavanlc LeadConnector leadconnector allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects LeadConnector: from n/a through <= 3.0.21.
Explanation of Vulnerability in Simple Terms
02Summary
LeadConnector versions up to 3.0.21 lack proper authorization checks, allowing unauthenticated attackers to modify data via network requests. The vulnerability does not expose sensitive information or disrupt service availability. Update to version 4.0.2 or later to resolve the issue.
What an attacker can do
03Attacker Capabilities
Modify data in LeadConnector without authentication.
Potential impact on your site
04Site Impact
Unauthorized changes to LeadConnector data; integrity of records cannot be guaranteed without patching.
Conditions required to exploit
05Prerequisites
Network access to the LeadConnector application; no authentication or user interaction required.
Key dates
06Disclosure timeline
February 19, 2026
CVE published
April 28, 2026
Record updated