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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-86158

Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere

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Status
Published
Published
Updated
Assigning organization
ProgressSoftware

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Progress Software Progress® Telerik® Fiddler® Everywhere

Default version status: unaffected

  • 1.0.0 to < 8.2.0affected

References