EUVD-2026-20559

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the webhook model was missing a proper validation for loop back addresses, or link-local addresses — only the URL scheme HTTP/HTTPS as well as the hostname was checked. This could end up in retrieving...

Tenable Network Security Tenable Nessus Mac OS X Scanning Component Elevation of Privilege Vulnerability

Tenable Network Security Tenable Nessus is an open source vulnerability scanner from Tenable Network Security, USA. An elevation of privilege vulnerability exists in the Mac OS X Scanning component of Tenable Network Security Tenable Nessus versions 5.x and earlier and 6.5.4 and earlier, which ca...