Known Vulnerabilities for Progress Telerik Fiddler Classic by Progress Software

Listed below are 4 of the newest known vulnerabilities associated with "Progress Telerik Fiddler Classic" by "Progress Software".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-77805 json In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, the integrity check applied to the... Not Provided 2026-10-05 2026-10-05
CVE-2026-77804 json In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, a time-of-check time-of-use (TOCTO... Not Provided 2026-10-05 2026-10-06
CVE-2026-77803 json In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, front-end request desynchronizatio... Not Provided 2026-10-05 2026-10-06
CVE-2026-77802 json In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, HTTP request smuggling is possible... Not Provided 2026-10-05 2026-10-06

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