{"id":"CVE-2026-15720","aliases":["EUVD-2026-44343","GHSA-2vfm-v289-h559","GHSA-f4mx-3x6p-cfwp"],"status":"published","title":"Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler","description":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00542,"percentile":0.45894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-07-14T18:20:22Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"open5gs","product":"open5gs"}],"references":[{"url":"https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15720","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2vfm-v289-h559"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15720.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-15720","title":"Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler","description":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.","status":"published","published":"2026-07-14T18:20:22.732Z","modified":"2026-07-15T14:02:22.116Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-44343","description":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.","status":"published","published":"2026-07-14T18:20:22Z","modified":"2026-07-15T14:02:22Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:19:53.226345Z"}],"ghsa":[{"id":"GHSA-2vfm-v289-h559","title":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS...","description":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.","status":"published","published":"2026-07-14T21:32:15Z","modified":"2026-07-14T21:32:21Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:09:31.319926Z"}],"nvd":[{"id":"CVE-2026-15720","description":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.","status":"published","published":"2026-07-14T19:16:51.47Z","modified":"2026-07-15T20:58:48.72Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:29.879716Z"}],"osv":[{"id":"CVE-2026-15720","title":"Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler","description":"In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.","status":"published","published":"2026-07-14T18:20:22.732Z","modified":"2026-10-28T02:30:44.316283279Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:57.682091Z"}]}}