CVE-2026-25138

MEDIUM
2026-02-25 [email protected] GHSA-38wq-6q2w-hcf9
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 27, 2026 - 17:35 vuln.today
Public exploit code
CVE Published
Feb 25, 2026 - 20:23 nvd
MEDIUM 5.3

Tags

Information Disclosure Rucio

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.

Analysis

Rucio's WebUI login endpoint prior to versions 35.8.3, 38.5.4, and 39.3.1 discloses whether usernames exist through differential error messages, enabling unauthenticated attackers to enumerate valid accounts. Public exploit code exists for this username enumeration vulnerability. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

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CVE-2026-25138 vulnerability details – vuln.today
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