{"id":"CVE-2026-86158","published":"2026-09-29T07:16:35.520","lastModified":"2026-09-29T21:27:41.130","description":"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.","cvssScore":7.7,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://www.telerik.com/fiddler/fiddler-everywhere/documentation/knowledge-base/kb-security-exposed-dangerous-method-or-function-cve-2026-aaaaa","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}