CVE-2026-25136 HIGH

CVE-2026-25136: Rucio WebUI has a Reflected Cross-site Scripting Vulnerability

Vendor Rucio
Product rucio
Weakness CWE-79 · XSS
Published February 25, 2026
Last update February 26, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. A reflected Cross-site Scripting vulnerability was located in versions prior to 35.8.3, 38.5.4, and 39.3.1 in the rendering of the ExceptionMessage of the WebUI 500 error which could allow attackers to steal login session tokens of users who navigate to a specially crafted URL. Versions 35.8.3, 38.5.4, and 39.3.1 fix the issue.

Key dates

02Disclosure timeline

February 25, 2026 CVE published
February 26, 2026 Record updated

Related vulnerabilities

04Related CVE