{"id":"CVE-2026-75439","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-75439","generatedAt":"2026-10-27T23:56:01.691Z","title":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","description":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","published":"2026-09-04T21:17:26.000Z","lastModified":"2026-09-14T14:17:10.000Z","status":"Deferred","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":[],"epss":{"score":0.00759,"percentile":0.54966,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8","source":"cve@mitre.org"},{"url":"https://github.com/free5gc/free5gc/issues/1059","source":"cve@mitre.org"},{"url":"https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97","source":"cve@mitre.org"},{"url":"https://github.com/free5gc/go-upf/pull/97","source":"cve@mitre.org"},{"url":"https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439","source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-75439","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."}