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CVE-2026-100242

DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-100242

Published

Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation. This issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-100242

Published

Mediawiki - DataTransfer Extension

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Wikimedia Foundation",
                    "product": "Mediawiki - DataTransfer Extension",
                    "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/DataTransfer/+/refs/heads/master",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.46.0",
                            "lessThan": "1.47.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON