{"id":"CVE-2026-59887","revision":"cfe86e350e564c2cb2eab5f897131810","records":[{"revision":"cfe86e350e564c2cb2eab5f897131810","observedAt":"2026-10-27T15:15:33.457+00:00","statement":{"source":"nvd","id":"CVE-2026-59887","aliases":[],"title":"linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test() and .match() can be invoked at every mailto: occurrence and scan the remaining input through src_email_name in…","description":"linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test() and .match() can be invoked at every mailto: occurrence and scan the remaining input through src_email_name in lib/re.mjs, causing O(n^2) CPU consumption on crafted user text. This issue is fixed in version 5.0.2.","state":0,"publishedAt":"2026-07-08T17:17:26.883+00:00","modifiedAt":"2026-10-25T17:10:00.197+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/markdown-it/linkify-it/commit/105e5d77f7d119871d2b2d86ed208568eb3e7ffe","https://github.com/markdown-it/linkify-it/releases/tag/5.0.2","https://github.com/markdown-it/linkify-it/security/advisories/GHSA-v245-v573-v5vm"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59887","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-407"],"productCriteria":["cpe:2.3:a:markdown-it:linkify-it:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-07-08T17:17:26.883","lastModified":"2026-10-25T17:10:00.197"},"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-2026-59887","identifiers":["CVE-2026-59887"]},"retained":false,"historicalAffected":[]}],"coverage":[]}