CVE-2026-0669

HIGH
2026-01-07 c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
7.5
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 23, 2026 - 18:45 vuln.today
Public exploit code
Patch Released
Feb 23, 2026 - 18:45 nvd
Patch available
CVE Published
Jan 07, 2026 - 18:15 nvd
HIGH 7.5

Tags

Mediawiki Path Traversal Css Redhat

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.

Analysis

The MediaWiki CSS extension in versions 1.39, 1.43, and 1.44 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files from the server. Public exploit code exists for this vulnerability, enabling attackers to access sensitive information outside the intended directory restrictions. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Review file handling controls and restrict upload directories.

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Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: +20

Vendor Status

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CVE-2026-0669 vulnerability details – vuln.today
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