{"cve":"CVE-2021-4278","nvd":{"published":"2022-12-25T16:15:10.400","modified":"2026-06-17T04:19:24.617","status":"Modified","description":"A vulnerability classified as problematic has been found in cronvel tree-kit up to 0.6.x. This affects an unknown part. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). Upgrading to version 0.7.0 is able to address this issue. The name of the patch is a63f559c50d70e8cb2eaae670dec25d1dbc4afcd. It is recommended to upgrade the affected component. The identifier VDB-216765 was assigned to this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-1321"],"references":["https://github.com/cronvel/tree-kit/commit/a63f559c50d70e8cb2eaae670dec25d1dbc4afcd","https://github.com/cronvel/tree-kit/releases/tag/v0.7.0","https://vuldb.com/?ctiid.216765","https://vuldb.com/?id.216765","https://github.com/cronvel/tree-kit/commit/a63f559c50d70e8cb2eaae670dec25d1dbc4afcd"],"products":["tree_kit_project:tree_kit"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2021-4278","score":0.00447,"percentile":0.38874,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-mw4x-g2x8-qcvf","url":"https://osv.dev/vulnerability/GHSA-mw4x-g2x8-qcvf","summary":"tree-kit vulnerable to Prototype Pollution","modified":"2023-11-08T04:07:07.748905Z","packages":[{"ecosystem":"npm","name":"tree-kit","purl":"pkg:npm/tree-kit","ranges":["<0.7.0"],"fixed":["0.7.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}