CVE-2026-25138: Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Prior…

PriorityP432medium5.3CVSS 3.1

AVNACLPRNUINSUCLINAN

EPSS

0.33%

24.5th percentile

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

6 ranges

Vendor	Product	Version range	Fixed in
cern	rucio	< 35.8.3	35.8.3
cern	rucio	>= 36.0.0 < 38.5.4	38.5.4
cern	rucio	>= 39.0.0 < 39.3.1	39.3.1
rucio	rucio	< 35.8.3	35.8.3
rucio	rucio	—	—
rucio	rucio	—	—

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