{"id":"CVE-2026-18825","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-18825","generatedAt":"2026-10-28T02:21:53.082Z","title":"An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request.","description":"An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request.","published":"2026-09-28T13:17:22.000Z","lastModified":"2026-09-30T21:17:10.000Z","status":"Deferred","sourceIdentifier":"64c5ae8f-7972-4697-86a0-7ada793ac795","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-346"],"affected":[],"epss":{"score":0.00175,"percentile":0.06946,"date":"2026-10-26","history":[{"date":"2026-09-29","score":0.00175,"percentile":0.06226}]},"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 (0.18%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-28T13:17:22.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-09-28T13:17:21.680Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/cve-2026-18825","source":"64c5ae8f-7972-4697-86a0-7ada793ac795"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-18825","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."}