CVE-2026-86158

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...

CVE-2026-86157

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...

EUVD-2026-88649

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...

CVE-2026-86158

Progress Software Fiddler Everywhere 8.0.2 contains a vulnerability due to missing authentication in its local .NET backend (Fiddler.WebUi ). A local unauthenticated attacker can exploit unauthenticated localhost HTTP and SignalR RPC channels to mint OAuth tokens and read the machine-in-the-middl...

CVE-2026-86158 Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere

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...

CVE-2026-86158 Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere

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...

EUVD-2026-88648

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...

CVE-2026-86157

Progress Telerik Fiddler Everywhere versions prior to 8.2.0 are vulnerable to the exposure of privileged IPC functionality . A local, low-privileged attacker who can modify application launch parameters and influence a user to start the application can replace the UI or settings with attacker-con...

CVE-2026-86157 Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere

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...

CVE-2026-86157 Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere

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...