CVE-2026-46651: Unauthenticated SSRF and local file inclusion via DownloadTaskEndpoint WebSocket in Goobi viewer

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-23 · updated 2026-10-29
Weakness: CWE-306

Description

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.

Affected products

intranda goobi-viewer-core: from 24.03, < 26.05

References

https://github.com/intranda/goobi-viewer-core/commit/5281245708447ae3419cb42492fbb8af731a2ce5
https://github.com/intranda/goobi-viewer-core/commit/b8943ee963e2aa1131da2212eaf85c5a2d90214f
https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05
https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-79jg-3m2m-jgc8

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