Progress Software Progress® Telerik® Fiddler® Everywhere vulnerabilities

2 vulnerabilities

Known vulnerabilities in Progress Software Progress® Telerik® Fiddler® Everywhere, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.7CVE-2026-86158progress softwareprogress® telerik® fiddler® everywhere
EPSS score
0.09%
Missing authentication in the local .NET backend (Fiddler.WebUi) of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel.5.6CVE-2026-86157progress softwareprogress® telerik® fiddler® everywhere
EPSS score
0.12%
Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled content. Successful exploitation could result in disclosure of OAuth authentication tokens, execution of locally accessible programs, or unauthorized modification of application-generated configuration files.