What the vulnerability does
01Description
Authorization Bypass Through User-Controlled Key vulnerability in cnvrse Cnvrse cnvrse allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Cnvrse: from n/a through < 026.02.10.20.
Explanation of Vulnerability in Simple Terms
02Summary
Cnvrse versions up to 026.02.10.20 contain an authorization flaw that allows unauthenticated attackers to read sensitive data over the network. The vulnerability requires no user interaction and can be exploited remotely. No integrity or availability impact is present, but confidential information may be exposed.
What an attacker can do
03Attacker Capabilities
Read sensitive data from the application without authentication.
Potential impact on your site
04Site Impact
Confidential data may be exposed to unauthenticated attackers on the internet.
Conditions required to exploit
05Prerequisites
Network access to the Cnvrse instance; no authentication or user interaction required.
Key dates
06Disclosure timeline
February 20, 2026
CVE published
April 28, 2026
Record updated