{"action":"Upgrade cyberchef to 11.2.0 or later.","affected":[{"fixed":"11.2.0","introduced":"0"}],"component":"cyberchef","cve_ids":["CVE-2026-57439"],"ecosystem":"npm","epss":0.00244,"exploited":false,"fixed_versions":["11.2.0"],"ghsa_id":"GHSA-fx6f-382r-j72c","id":"tcs_01M5KFPJKGD8KCMJPJ9XKY58ZP","modified_at":"2026-09-24T19:45:04.823027737Z","published_at":"2026-09-24T19:24:30Z","references":["https://osv.dev/vulnerability/GHSA-fx6f-382r-j72c","https://github.com/gchq/CyberChef/security/advisories/GHSA-fx6f-382r-j72c","https://nvd.nist.gov/vuln/detail/CVE-2026-57439","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","https://github.com/gchq/CyberChef/releases/tag/v11.2.0"],"severity":{"label":"medium","score":5},"sources":[{"source":"osv","source_id":"GHSA-fx6f-382r-j72c","url":"https://osv.dev/vulnerability/GHSA-fx6f-382r-j72c"}],"summary":"CyberChef: Prototype pollution in Series Chart operation"}