{"id":"EUVD-2026-42294","revision":"d3cf81ab6f2a4180ac06ef5c4bd0113a","records":[{"revision":"d3cf81ab6f2a4180ac06ef5c4bd0113a","observedAt":"2026-10-30T10:00:57.817+00:00","statement":{"source":"euvd","id":"EUVD-2026-42294","aliases":["CVE-2026-57439","GHSA-fx6f-382r-j72c"],"title":"CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts __proto__ as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with o…","description":"CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts __proto__ as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript into HTML output. This issue is fixed in version 11.2.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":5,"severity":null}],"references":["https://github.com/gchq/CyberChef/security/advisories/GHSA-fx6f-382r-j72c","https://github.com/gchq/CyberChef/issues/2568","https://github.com/gchq/CyberChef/pull/2569","https://github.com/gchq/CyberChef/commit/85db3be5d0096859b810f0e8d3e151d5dc9b948f","https://github.com/gchq/CyberChef/releases/tag/v11.2.0"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42294","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 8, 2026, 2:58:38 PM","dateUpdated":"Jul 8, 2026, 4:12:28 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-42294","identifiers":["EUVD-2026-42294","CVE-2026-57439","GHSA-fx6f-382r-j72c"]},"retained":false,"historicalAffected":[]}],"coverage":[]}