5.3

CVE-2026-25138

Exploit

Rucio WebUI has Username Enumeration via Login Error Message

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cern ≫ Rucio Version < 35.8.3
Cern ≫ Rucio Version >= 36.0.0 < 38.5.4
Cern ≫ Rucio Version >= 39.0.0 < 39.3.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.243
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-204 Observable Response Discrepancy

The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.

https://github.com/rucio/rucio/releases/tag/35.8.3
Product
Release Notes
https://github.com/rucio/rucio/releases/tag/38.5.4
Product
Release Notes
https://github.com/rucio/rucio/releases/tag/39.3.1
Product
Release Notes
https://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9
Vendor Advisory
Exploit
https://cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.html#authentication-and-error-messages
Not Applicable