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CVE-2026-86158

HIGH CVSS: 7.7 Published: 2026-09-29 Modified: 2026-09-29

Description

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.

Affected Platforms

Unknown

Weakness Type

CWE-306

References