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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-25138

Rucio WebUI has Username Enumeration via Login Error Message

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

rucio rucio

  • < 35.8.3affected
  • >= 36.0.0rc1, < 38.5.4affected
  • >= 39.0.0rc1, < 39.3.1affected

References