CVE-2026-59887

{"id": "CVE-2026-59887", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59887", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-09T14:40:56.927532Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "markdown-it", "product": "linkify-it", "versions": [{"status": "affected", "version": "< 5.0.2"}]}]}], "published": "2026-07-08T17:17:26.883", "references": [{"url": "https://github.com/markdown-it/linkify-it/commit/105e5d77f7d119871d2b2d86ed208568eb3e7ffe", "source": "security-advisories@github.com"}, {"url": "https://github.com/markdown-it/linkify-it/releases/tag/5.0.2", "source": "security-advisories@github.com"}, {"url": "https://github.com/markdown-it/linkify-it/security/advisories/GHSA-v245-v573-v5vm", "source": "security-advisories@github.com"}, {"url": "https://github.com/markdown-it/linkify-it/security/advisories/GHSA-v245-v573-v5vm", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-407"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-07-10T19:13:03.283", "sourceIdentifier": "security-advisories@github.com"}