Vulnerability Description
Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Prior to versions 35.8.3, 38.5.4, and 39.3.1, the WebUI login endpoint returns distinct error messages depending on whether a supplied username exists, allowing unauthenticated attackers to enumerate valid usernames. Versions 35.8.3, 38.5.4, and 39.3.1 fix the issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cern | Rucio | < 35.8.3 |
Related Weaknesses (CWE)
References
- https://cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.html#aNot Applicable
- https://github.com/rucio/rucio/releases/tag/35.8.3ProductRelease Notes
- https://github.com/rucio/rucio/releases/tag/38.5.4ProductRelease Notes
- https://github.com/rucio/rucio/releases/tag/39.3.1ProductRelease Notes
- https://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9ExploitVendor Advisory
- https://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9ExploitVendor Advisory
FAQ
What is CVE-2026-25138?
CVE-2026-25138 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Prior to versions 35.8.3, 38.5.4, and 39.3.1, th...
How severe is CVE-2026-25138?
CVE-2026-25138 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-25138?
Check the references section above for vendor advisories and patch information. Affected products include: Cern Rucio.