Qt Network Uncontrolled Search Path Element Vulnerability in OpenSSL TLS Backend Allowing Rogue CA Certificate Loading

Vulnerability

A vulnerability has been identified in the OpenSSL TLS backend of Qt Network (qtbase) within the Qt Framework for Unix. This uncontrolled search path element issue allows a local attacker to load a malicious CA certificate as a trusted system authority. The attack is executed by placing a crafted certificate file in the application's working directory.

Impact

Exploitation of this vulnerability could lead to the acceptance of a rogue CA certificate, potentially allowing for man-in-the-middle attacks or the interception of encrypted communications.

Added: May 19, 2026, 2:24 PM
Updated: May 19, 2026, 2:24 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
5.0
exploitability
3.5
remediation
0.0
relevance
8.7
threat
3.2
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.