CVE-2026-46651

CRITICAL CVSS 3.1: 9.8 EPSS 0.70%
Updated Oct 23, 2026
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 26.05
Fixed In 26.05
Type CWE-306 (Missing Authentication for Critical Function), CWE-918 (Server-Side Request Forgery (SSRF)), CWE-552
Public PoC No

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 24.03 to before version 26.05, the DownloadTaskEndpoint WebSocket endpoint (/tasks/download/monitor.socket) in goobi-viewer-core accepts download requests from unauthenticated users. This issue has been patched in version 26.05.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1