{"cve":"CVE-2018-3711","nvd":{"published":"2018-06-07T02:29:07.847","modified":"2026-06-17T01:57:42.337","status":"Modified","description":"Fastify node module before 0.38.0 is vulnerable to a denial-of-service attack by sending a request with \"Content-Type: application/json\" and a very large payload.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://github.com/fastify/fastify/pull/627","https://hackerone.com/reports/303632","https://github.com/fastify/fastify/pull/627","https://hackerone.com/reports/303632"],"products":["fastify:fastify"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2018-3711","score":0.01771,"percentile":0.78148,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mq6c-fh97-4gwv","url":"https://osv.dev/vulnerability/GHSA-mq6c-fh97-4gwv","summary":"Denial of Service vulnerability with large JSON payloads in fastify","modified":"2023-11-08T04:00:16.567310Z","packages":[{"ecosystem":"npm","name":"fastify","purl":"pkg:npm/fastify","ranges":["<0.38.0"],"fixed":["0.38.0"]}]}],"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."]}