{"action":"Upgrade flatted to 3.4.2 or later.","affected":[{"fixed":"3.4.2","introduced":"0"}],"component":"flatted","cve_ids":["CVE-2026-33228"],"ecosystem":"npm","epss":0.00838,"exploited":false,"fixed_versions":["3.4.2"],"ghsa_id":"GHSA-rf6f-7fwh-wjgh","id":"tcs_01M5KG8XGR4B875JB4XZ86F3NK","modified_at":"2026-10-05T16:00:04.586755982Z","published_at":"2026-03-19T17:43:54Z","references":["https://osv.dev/vulnerability/GHSA-rf6f-7fwh-wjgh","https://github.com/WebReflection/flatted/security/advisories/GHSA-rf6f-7fwh-wjgh","https://nvd.nist.gov/vuln/detail/CVE-2026-33228","https://github.com/WebReflection/flatted/commit/885ddcc33cf9657caf38c57c7be45ae1c5272802","https://access.redhat.com/errata/RHSA-2026:13826","https://access.redhat.com/errata/RHSA-2026:34342","https://access.redhat.com/errata/RHSA-2026:9742","https://access.redhat.com/security/cve/CVE-2026-33228","https://bugzilla.redhat.com/show_bug.cgi?id=2449872","https://github.com/WebReflection/flatted","https://github.com/WebReflection/flatted/releases/tag/v3.4.2"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-rf6f-7fwh-wjgh","url":"https://osv.dev/vulnerability/GHSA-rf6f-7fwh-wjgh"}],"summary":"Prototype Pollution via parse() in NodeJS flatted"}