CVE-2026-33228
1 advisory.
npm/flatted CVE-2026-33228: high, EPSS 1.28%
Prototype Pollution via parse() in NodeJS flatted
Action: Upgrade flatted to 3.4.2 or later.
npm i flatted@3.4.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.4.2 | - |
Fixed versions
| 3.4.2 |
Sources
- osv: 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
CVE-2026-33228 · published · modified · JSON