{"id":"CVE-2026-45822","revision":"2ac62ecd46ec4cc49477fb1d483d754f","records":[{"revision":"2ac62ecd46ec4cc49477fb1d483d754f","observedAt":"2026-10-25T12:17:14.897+00:00","statement":{"source":"nvd","id":"CVE-2026-45822","aliases":[],"title":"decode-uri-component through 0.4.1 is vulnerable to denial of service. The decode() function splits input on '%' producing N tokens and calls decodeComponents(), exhibiting super-linear parsing time: 200 '%ab' tokens takes approximately 0.7…","description":"decode-uri-component through 0.4.1 is vulnerable to denial of service. The decode() function splits input on '%' producing N tokens and calls decodeComponents(), exhibiting super-linear parsing time: 200 '%ab' tokens takes approximately 0.7s, 700 tokens approximately 6s, and 1400 tokens approximately 33s. An attacker can cause significant CPU consumption and event-loop blocking via crafted input.","state":0,"publishedAt":"2026-06-30T09:16:25.177+00:00","modifiedAt":"2026-06-30T14:33:48.52+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · 22e2d327-25fe-45d7-9f0c-dcd23b7108df · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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:N/AU:Y/R:U/V:D/RE:M/U:Amber","score":6.6,"severity":"MEDIUM"}],"references":["https://github.com/SamVerschueren/decode-uri-component/blob/00662938dc7c6241547ae8abce7785cc13ffd3f6/index.js","https://github.com/SamVerschueren/decode-uri-component/commit/fa479dafeede7bedf04e5c89aa78f2a78c664005","https://www.npmjs.com/package/decode-uri-component"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45822","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-400","CWE-407"],"productCriteria":[],"sourceDates":{"published":"2026-06-30T09:16:25.177","lastModified":"2026-06-30T14:33:48.520"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-45822","identifiers":["CVE-2026-45822"]},"retained":false,"historicalAffected":[]}],"coverage":[]}