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OpenAdvisories
Medium · 5.6 CVE-2026-86157 EUVD-2026-88648GHSA-299j-hfrq-4753

Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere

Published Sep 29, 2026 · Updated Sep 30, 2026 · Assigned by ProgressSoftware

Description

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.

Affected products

VendorProductAffectedFixed
Progress Software Progress® Telerik® Fiddler® Everywhere 1.0.0 – < 8.2.0 8.2.0

References