{"id":"CVE-2026-4391","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-4391","generatedAt":"2026-10-28T02:13:49.181Z","title":"A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7.","description":"A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7. This vulnerability affects unknown code of the component ECC Key Parser. Such manipulation leads to heap-based buffer overflow. The attack may be launched remotely. Upgrading to version 3.13.8 is able to resolve this issue. It is suggested to upgrade the affected component.","published":"2026-05-27T18:16:29.000Z","lastModified":"2026-06-17T10:56:31.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-119","CWE-122"],"affected":[],"epss":{"score":0.0042,"percentile":0.36048,"date":"2026-10-26","history":[]},"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 (0.42%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html","source":"cna@vuldb.com"},{"url":"https://modzero.com/en/advisories/mz-26-01-teamspeak/","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/366315","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/366315/cti","source":"cna@vuldb.com"},{"url":"https://www.teamspeak.com/en/downloads/#server","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4391","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."}