CVE-2026-46651: Missing Auth (CVSS 9.8)

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.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0038

Probability of exploitation

0.32%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-306 Missing Authentication

CWE-552 CWE-552

CWE-918 Server-Side Request Forgery (SSRF)

References

Other 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

Frequently Asked Questions

What is CVE-2026-46651? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-46651? +

CVE-2026-46651 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0038, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-46651? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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