{"id":"CVE-2026-94043","title":"A vulnerability was determined in Free5GC up to 4.2.3","summary":"A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. Th…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-362"],"product":"Free5GC","affected":["Free5GC 4.2.0","Free5GC 4.2.1","Free5GC 4.2.2","Free5GC 4.2.3"],"published":"2026-09-20","updated":"2026-09-21","sourceUpdated":"2026-09-21T20:17:40.040","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94043","references":[{"url":"https://github.com/free5gc/amf/commit/e323b01464355781b8b8d5dd695e05cbc00a62f2","label":"cna@vuldb.com"},{"url":"https://github.com/free5gc/amf/pull/238","label":"cna@vuldb.com"},{"url":"https://github.com/free5gc/free5gc/","label":"cna@vuldb.com"},{"url":"https://github.com/free5gc/free5gc/issues/1109","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-94043","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/949261","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/407972","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/407972/cti","label":"cna@vuldb.com"},{"url":"https://github.com/free5gc/free5gc/issues/1109","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://vuldb.com/submit/949261","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-21T19:49:56.264821Z"},"epss":0.00572,"epssPercentile":0.44911,"ingestedAt":"2026-09-20T18:24:59.758Z","slug":"CVE-2026-94043","body":"## Overview\n\nA vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name: e323b01464355781b8b8d5dd695e05cbc00a62f2. To fix this issue, it is recommended to deploy a patch.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":208764,"id":"CVE-2026-94043","ts":1790020363665,"field":"exploit_available","old":"false","new":"true"}]}