CVE-2026-77804 | Progress Telerik Fiddler Classic prior 6.0.20262.10021 HTTPS interception root certificate installation toctou

A vulnerability, which was classified as problematic, has been found in Progress Telerik Fiddler Classic. This vulnerability affects unknown code of the component HTTPS interception root certificate installation. The manipulation leads to time-of-check time-of-use.

This vulnerability is listed as CVE-2026-77804. The attack must be carried out locally. There is no available exploit.

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