CVE-2026-0668

CVE-2026-0668: VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input

Vendor Wikimedia Foundation

Product MediaWiki - VisualData Extension

Weakness CWE-1333

Published January 7, 2026

Last update January 7, 2026

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.

Key dates

02Disclosure timeline

January 7, 2026 CVE published

January 7, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-0668 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/1333.html

Related vulnerabilities

04Related CVE

CVE-2026-41848 Spring Framework Denial of Service via AntPathMatcher CVE-2026-4867 path-to-regexp vulnerable to Regular Expression Denial of Service via multiple route parameters CVE-2026-4923 path-to-regexp vulnerable to Regular Expression Denial of Service via multiple wildcards CVE-2026-35213 Regular Expression Denial of Service (ReDoS) in @hapi/content HTTP header parsing CVE-2025-69873