CVE Catalog

CVE-2026-86157

MediumCVSS 5.6
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.12%

2th percentile - higher than 2% of all known CVEs

Summary

Progress Telerik Fiddler Everywhere before version 8.2.0 exposes privileged IPC functionality. A local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application can replace the application UI or settings with attacker-controlled content.

Risk Assessment

Disclosure of OAuth authentication tokens, execution of locally accessible programs, or unauthorized modification of application-generated configuration files may occur. This poses a risk to credential security and configuration integrity.

Recommendation

Upgrade Progress Telerik Fiddler Everywhere to version 8.2.0 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS