[ CVE-2026-86157 · Published 29 Sep 2026 ]
Vulnerability in Progress Software Progress® Telerik® Fiddler® Everywhere
CVSS 5.6
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.