38 matches found
Progress Telerik Fiddler Classic < 6.0.20262.10021 Multiple Vulnerabilities
The version of Progress Telerik Fiddler Classic installed on the remote Windows host is prior to 6.0.20262.10021. It is, therefore, affected by multiple vulnerabilities: - An insufficient integrity check on external helper tools allows a local low-privileged attacker to replace a helper executabl...
EUVD-2026-92428
In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, the integrity check applied to the external helper tools launched by the application is insufficient. Before executing a helper tool, the application only verifies that the file carries a valid Authenticode...
CVE-2026-77805 Weak Executable Signature Verification Vulnerability in Progress® Telerik® Fiddler® Classic
In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, the integrity check applied to the external helper tools launched by the application is insufficient. Before executing a helper tool, the application only verifies that the file carries a valid Authenticode...
EUVD-2026-92427
In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, a time-of-check time-of-use TOCTOU race condition exists in the installation of the HTTPS interception root certificate into the Local Computer certificate store. Fiddler writes the certificate to a temporary...
CVE-2026-77803
Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021 , contains a front-end request desynchronization vulnerability in the proxy request forwarding component. The root cause is that the software forwards requests containing both Content-Length and Transfer-Encoding ...
CVE-2026-77802 HTTP Request Smuggling Vulnerability in Progress® Telerik® Fiddler® Classic
In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, HTTP request smuggling is possible in the proxy request forwarding component. Requests containing multiple Content-Length headers with conflicting values are forwarded verbatim to the origin server, while...
CVE-2026-77802
Progress Telerik Fiddler Classic for Windows versions prior to v6.0.20262.10021 are vulnerable to HTTP request smuggling in the proxy request forwarding component. The issue arises because the software forwards requests with multiple conflicting Content-Length headers verbatim, while only using t...
KLA91318 SB vulnerability in Telerik Fiddler
Multiple vulnerabilities were found in Telerik Fiddler. Malicious users can exploit these vulnerabilities to bypass security restrictions, gain privileges. Below is a complete list of vulnerabilities: 1. Security vulnerability can be exploited to bypass security restrictions. 2. An elevation of...
PT-2026-105987
Name of the Vulnerable Software and Affected Versions Progress Telerik Fiddler Classic for Windows versions prior to 6.0.20262.10021 Description HTTP request smuggling is possible in the proxy request forwarding component. This occurs when requests containing multiple Content-Length headers with...
PT-2026-105990
In Progress® Telerik® Fiddler® Classic for Windows, versions prior to v6.0.20262.10021, the integrity check applied to the external helper tools launched by the application is insufficient. Before executing a helper tool, the application only verifies that the file carries a valid Authenticode...
CVE-2026-86157
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...
CVE-2026-86158 Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere
Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...
CVE-2026-86158 Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere
Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...
CVE-2026-86157 Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere
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...
EUVD-2026-88648
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...
CVE-2026-86157
Progress Telerik Fiddler Everywhere versions prior to 8.2.0 are vulnerable to the exposure of privileged IPC functionality . A local, low-privileged attacker who can modify application launch parameters and influence a user to start the application can replace the UI or settings with attacker-con...
CVE-2026-86157 Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere
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...
PT-2026-102454
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...
CVE-2026-86157: Exposed Dangerous Method or Function
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...