CVE-2026-46347 (CVSS 6.8)

Description

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. Prior to version 26.05, when a password reset link is visited, the application generates a replacement password in a predictable way and emails it to the account holder. The insufficient entropy allows the password to be brute-forced by an attacker who can approximate the server-side generation time. Exploiting this finding in isolation requires the victim to have triggered the reset themselves and the attacker to infer the server time from network or email metadata. This issue has been patched in version 26.05.

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CVSS v3.1 Score

6.8

MEDIUM

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

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.17%

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-330 CWE-330

CWE-340 CWE-340

CWE-640 CWE-640

References

Other References

https://github.com/intranda/goobi-viewer-core/commit/1fa7a30a3a7699a82ea0df9c1a8997b2894d7841 https://github.com/intranda/goobi-viewer-core/commit/9c2c83f00f497c11ab6aaa0bd5a68173cd446eef https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05 https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-hw9w-7r6g-2fjc

Frequently Asked Questions

What is CVE-2026-46347? +

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. Prior to version 26.05, when a password reset link is visited, the application generates a replacement password in a predictable way and emails it to the account holder. The insufficient entropy allows the password to be brute-forced by an attacker who can approximate the server-side generation time. Exploiting this finding in isolation requires the victim to have triggered the reset themselves and the attacker to infer the server time from network or email metadata. This issue has been patched in version 26.05. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2026-46347? +

CVE-2026-46347 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-46347? +

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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