Resource Consumption Vulnerability in Wikimedia Foundation Mediawiki DataTransfer Extension

CVE-2026-100242

What is CVE-2026-100242?

A resource consumption issue has been identified in the Mediawiki DataTransfer Extension, linked to vulnerabilities in a third-party component. This flaw enables excessive resource allocation, potentially leading to degraded service performance or denial of service conditions for users. The affected versions include 1.46.0 and earlier, up to but not including 1.47.0.

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