{"id":"CVE-2026-103387","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103387","generatedAt":"2026-10-28T01:02:29.240Z","title":"A weakness has been identified in garycourt uri-js up to 4.4.1.","description":"A weakness has been identified in garycourt uri-js up to 4.4.1. This affects the function URI.parse of the file src/schemes/mailto.ts of the component Mailto Header Handler. This manipulation of the argument to causes uncaught exception. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","published":"2026-09-30T20:17:31.000Z","lastModified":"2026-10-01T02:12:10.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2.1,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-248"],"affected":[],"epss":{"score":0.00319,"percentile":0.24682,"date":"2026-10-26","history":[{"date":"2026-10-01","score":0.00562,"percentile":0.44692}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T20:17:31.000Z","detail":{"score":"2.1","severity":"LOW","publishedAt":"2026-09-30T20:17:30.620Z"},"summary":"New CVE, low severity (CVSS 2.1)."}],"references":[{"url":"https://github.com/garycourt/uri-js/","source":"cna@vuldb.com"},{"url":"https://github.com/garycourt/uri-js/issues/103","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-103387","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/956810","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/412124","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/412124/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103387","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}