CVE-2026-77805 | Progress Telerik Fiddler Classic prior 6.0.20262.10021 Integrity Check integrity check

October 5, 2026 Yanac

A vulnerability was found in Progress Telerik Fiddler Classic and classified as problematic. The affected element is an unknown function of the component Integrity Check. Such manipulation leads to improper validation of integrity check value.

This vulnerability is documented as CVE-2026-77805. The attack needs to be performed locally. There is not any exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More