{"cve":"CVE-2024-39018","nvd":{"published":"2024-07-01T13:15:05.950","modified":"2026-06-17T07:41:22.717","status":"Deferred","description":"harvey-woo cat5th/key-serializer v0.2.5 was discovered to contain a prototype pollution via the function \"query\". This vulnerability allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-1321"],"references":["https://gist.github.com/mestrtee/be75c60307b2292884cc03cebd361f3f","https://gist.github.com/mestrtee/be75c60307b2292884cc03cebd361f3f"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2024-39018","score":0.00419,"percentile":0.36275,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-whpx-g542-7c7v","url":"https://osv.dev/vulnerability/GHSA-whpx-g542-7c7v","summary":"@cat5th/key-serializer Prototype Pollution vulnerability","modified":"2024-07-11T18:12:32.039087Z","packages":[{"ecosystem":"npm","name":"@cat5th/key-serializer","purl":"pkg:npm/%40cat5th/key-serializer","ranges":["<=0.2.5"],"fixed":[]}]}],"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."]}