{"id":"CVE-2026-75439","aliases":["EUVD-2026-71771","GHSA-5whm-8jh8-99wq"],"status":"published","title":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF...","description":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00759,"percentile":0.55683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-09-04T00:00:00Z","modified":"2026-09-14T15:32:15Z","references":[{"url":"https://github.com/free5gc/free5gc/issues/1059"},{"url":"https://github.com/free5gc/go-upf/pull/97"},{"url":"https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8"},{"url":"https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439"},{"url":"https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75439"},{"url":"https://github.com/advisories/GHSA-5whm-8jh8-99wq"}],"sources":{"cve":[{"id":"CVE-2026-75439","description":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","status":"published","published":"2026-09-04T00:00:00Z","modified":"2026-09-14T13:10:36.418Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:20:07.260654Z"}],"euvd":[{"id":"EUVD-2026-71771","description":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","status":"published","published":"2026-09-04T00:00:00Z","modified":"2026-09-14T13:10:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:20.757989Z"}],"ghsa":[{"id":"GHSA-5whm-8jh8-99wq","title":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF...","description":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","status":"published","published":"2026-09-04T21:31:52Z","modified":"2026-09-14T15:32:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:11:49.397809Z"}],"nvd":[{"id":"CVE-2026-75439","description":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","status":"published","published":"2026-09-04T21:17:25.583Z","modified":"2026-09-14T14:17:09.723Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:44.082631Z"}]}}