What the vulnerability does
01Description
Missing Authorization vulnerability in Dylan James Zephyr Project Manager zephyr-project-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Zephyr Project Manager: from n/a through <= 3.3.201.
Explanation of Vulnerability in Simple Terms
02Summary
Zephyr Project Manager versions 3.3.201 and earlier lack proper authorization checks, allowing authenticated users to access or modify data they should not have permission to view or change. An attacker with a low-privilege account can read sensitive information and make limited changes to the application. This affects confidentiality and integrity of project data.
What an attacker can do
03Attacker Capabilities
Read other users' project data and make limited modifications to records they shouldn't access.
Potential impact on your site
04Site Impact
Unauthorized data exposure and modification within projects; user isolation and access controls are not enforced.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege user account and network access to the application.
Key dates
06Disclosure timeline
August 28, 2025
CVE published
April 28, 2026
Record updated