{"id":"CVE-2026-102149","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-102149","generatedAt":"2026-10-28T05:27:12.887Z","title":"This could allow an attacker to associate a certificate with another user's account, affecting the confidentiality and integrity of that account's encrypted mail and, where certificate-based login is enabled, potentially permitting unauthorized access…","description":"Kiteworks Email Protection Gateway did not sufficiently restrict which account a certificate could be assigned to. This could allow an attacker to associate a certificate with another user's account, affecting the confidentiality and integrity of that account's encrypted mail and, where certificate-based login is enabled, potentially permitting unauthorized access to the account.","published":"2026-09-30T21:17:04.000Z","lastModified":"2026-10-07T15:02:09.000Z","status":"Analyzed","sourceIdentifier":"9119a7d8-5eab-497f-8521-727c672e3725","cvss":{"version":"3.1","score":9.4,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L"},"cwe":["CWE-306"],"affected":["accellion/kiteworks"],"epss":{"score":0.00239,"percentile":0.14853,"date":"2026-10-27","history":[{"date":"2026-10-01","score":0.00332,"percentile":0.23984}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T21:17:04.000Z","detail":{"score":"9.4","severity":"CRITICAL","publishedAt":"2026-09-30T21:17:03.760Z"},"summary":"New CVE, critical severity (CVSS 9.4)."}],"references":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq","tags":["Vendor Advisory"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json","tags":["Broken Link"],"source":"9119a7d8-5eab-497f-8521-727c672e3725"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102149","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."}