{"cve":"CVE-2025-13466","nvd":{"published":"2025-11-24T19:15:46.857","modified":"2026-10-18T20:10:00.110","status":"Deferred","description":"body-parser 2.2.0 is vulnerable to denial of service due to inefficient handling of URL-encoded bodies with very large numbers of parameters. An attacker can send payloads containing thousands of parameters within the default 100KB request size limit, causing elevated CPU and memory usage. This can lead to service slowdown or partial outages under sustained malicious traffic.\nThis issue is addressed in version 2.2.1.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:P/AU:Y","score":5.5},"cvss_v3":null,"cwes":["CWE-400"],"references":["https://github.com/expressjs/body-parser/security/advisories/GHSA-wqch-xfxh-vrr4"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:02.354564667+00:00"},"epss":{"cve":"CVE-2025-13466","score":0.00392,"percentile":0.33007,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-wqch-xfxh-vrr4","url":"https://osv.dev/vulnerability/GHSA-wqch-xfxh-vrr4","summary":"body-parser is vulnerable to denial of service when url encoding is used","modified":"2026-09-10T03:50:31.080294702Z","packages":[{"ecosystem":"npm","name":"body-parser","purl":"pkg:npm/body-parser","ranges":[">=2.2.0 <2.2.1"],"fixed":["2.2.1"]}]}],"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."]}