CVE-2026-25136CWE-1004CWE-79

Rucio WebUI has a Reflected Cross-site Scripting Vulnerability

High · published February 25, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
18.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00274 · 18.8th percentile
Weaknesses
CWE-1004 · Sensitive Cookie Without 'HttpOnly' Flag; CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-25T18:57Z
EPSS history
Timeline
  • 25 FEB 18:57Z
    Rucio WebUI has a Reflected Cross-site Scripting Vulnerability
    cvelistv5