CVE-2026-25138

5.3 MEDIUM
Published: February 25, 2026 Modified: February 27, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/rucio/rucio/releases/tag/35.8.3
Source: security-advisories@github.com
Product Release Notes
https://github.com/rucio/rucio/releases/tag/38.5.4
Source: security-advisories@github.com
Product Release Notes
https://github.com/rucio/rucio/releases/tag/39.3.1
Source: security-advisories@github.com
Product Release Notes
https://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9
Source: security-advisories@github.com
Exploit Vendor Advisory
https://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
15th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

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