{"id":"CVE-2025-13466","aliases":["DEBIAN-CVE-2025-13466","EUVD-2025-198982","GHSA-wqch-xfxh-vrr4","ROOT-APP-NPM-CVE-2025-13466","UBUNTU-CVE-2025-13466"],"status":"published","title":"body-parser vulnerable to denial of service when url encoding is used","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.","severity":{"version":"4.0","score":5.5,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00392,"percentile":0.33729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2025-11-24T18:29:36Z","modified":"2026-10-28T02:31:00Z","fixes":[{"ecosystem":"npm","package":"body-parser","fixed_in":["2.2.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:14","package":"node-body-parser","fixed_in":["2.2.1+~1.19.6-1"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"body-parser","fixed_in":["2.2.0-aikido.2","2.2.0-aikido.3","2.2.1-aikido.1"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/body-parser","fixed_in":["2.2.0-root.io.2","2.2.0-root.io.3","2.2.1-root.io.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1+~1.19.6-1"}]}],"versions":["1.20.3+~1.19.5-3","2.2.0+~1.19.6-1","2.2.0+~1.19.6-2","2.2.0+~1.19.6-3"]},{"source":"osv","ecosystem":"npm","package":"body-parser","ranges":[{"type":"SEMVER","events":[{"introduced":"2.2.0"},{"fixed":"2.2.1"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0-aikido.2"},{"fixed":"2.2.0-aikido.3"},{"fixed":"2.2.1-aikido.1"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0-root.io.2"},{"fixed":"2.2.0-root.io.3"},{"fixed":"2.2.1-root.io.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1-1","1.8.1-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.18.3-2","1.19.0-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.19.0-2","1.19.0-5","1.19.1+~1.19.2-1","1.19.2+~1.19.2-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.20.1+~1.19.2-1","1.20.2+~1.19.5-1","1.20.2+~1.19.5-1build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.20.3+~1.19.5-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.2+~1.19.6-1","2.3.0+~1.19.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"node-body-parser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.20.3+~1.19.5-3","2.2.0+~1.19.6-1","2.2.2+~1.19.6-1"]}],"products":[{"vendor":"body-parser","product":"body-parser"}],"references":[{"url":"https://github.com/expressjs/body-parser/security/advisories/GHSA-wqch-xfxh-vrr4","tags":["vendor-advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13466","tags":["advisory"]},{"url":"https://github.com/expressjs/body-parser/commit/b204886a6744b0b6d297cd0e849d75de836f3b63","tags":["web"]},{"url":"https://github.com/expressjs/body-parser/releases/tag/v2.2.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wqch-xfxh-vrr4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13466.json","tags":["advisory"]},{"url":"https://github.com/expressjs/body-parser","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-13466","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-13466","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-13466","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-13466","title":"body-parser vulnerable to denial of service when url encoding is used","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.","status":"published","published":"2025-11-24T18:29:36.725Z","modified":"2025-11-24T18:57:00.939Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:43.437394Z"}],"euvd":[{"id":"EUVD-2025-198982","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.","status":"published","published":"2025-11-24T18:29:36Z","modified":"2025-11-24T18:57:00Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium"}],"updated_at":"2026-11-02T19:49:13.187271Z"}],"ghsa":[{"id":"GHSA-wqch-xfxh-vrr4","title":"body-parser is vulnerable to denial of service when url encoding is used","description":"### Impact\n\nbody-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.\n\n### Patches\n\nThis issue is addressed in version 2.2.1.","status":"published","published":"2025-11-25T14:20:21Z","modified":"2025-11-25T18:09:53Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:39:10.178331Z"}],"nvd":[{"id":"CVE-2025-13466","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.","status":"published","published":"2025-11-24T19:15:46.857Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"4.0","score":5.5,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:11:46.009629Z"}],"osv":[{"id":"CVE-2025-13466","title":"body-parser vulnerable to denial of service when url encoding is used","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.","status":"published","published":"2025-11-24T18:29:36.725Z","modified":"2026-10-28T02:31:00.201133266Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:44:46.340268Z"},{"id":"DEBIAN-CVE-2025-13466","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. This issue is addressed in version 2.2.1.","status":"published","published":"2025-11-24T19:15:46.857Z","modified":"2026-10-23T17:47:25.276897613Z","cvss":[{"version":"4.0","score":5.5,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:45.102284Z"},{"id":"GHSA-wqch-xfxh-vrr4","title":"body-parser is vulnerable to denial of service when url encoding is used","description":"### Impact\n\nbody-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.\n\n### Patches\n\nThis issue is addressed in version 2.2.1.","status":"published","published":"2025-11-25T14:20:21Z","modified":"2026-09-10T03:50:31.080294702Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"4.0","score":5.5,"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","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:59.131095Z"},{"id":"ROOT-APP-NPM-CVE-2025-13466","title":"CVE-2025-13466 in body-parser - Patched by Root","description":"Root has patched CVE-2025-13466 in the body-parser package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-09-01T10:34:43Z","modified":"2026-09-01T11:30:04.768960833Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:27.362922Z"},{"id":"UBUNTU-CVE-2025-13466","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. This issue is addressed in version 2.2.1.","status":"published","published":"2025-11-24T19:15:00Z","modified":"2026-10-17T12:56:48.185728471Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium"}],"updated_at":"2026-11-02T16:55:20.144818Z"}]}}