{"schema_version":"1.9.0","id":"GHSA-55q8-2gwx-29pc","published":"2026-03-26T22:15:54Z","modified":"2026-04-02T21:26:08.014846084Z","aliases":["CVE-2026-33907","GO-2026-4872"],"summary":"Ella Core Panics during NAS Authentication Response/Failure with missing IEs","details":"## Summary\n\nElla Core panics when processing Authentication Response and Authentication Failure NAS message missing IEs. \n\n## Impact\n\nAn attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required.\n\n## Fix\n\nAdded IE presence verification to NAS message handling.","affected":[{"package":{"name":"github.com/ellanetworks/core","ecosystem":"Go","purl":"pkg:golang/github.com/ellanetworks/core"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.7.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-55q8-2gwx-29pc/GHSA-55q8-2gwx-29pc.json"}}],"references":[{"type":"WEB","url":"https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33907"},{"type":"WEB","url":"https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273"},{"type":"PACKAGE","url":"https://github.com/ellanetworks/core"},{"type":"WEB","url":"https://github.com/ellanetworks/core/releases/tag/v1.7.0"}],"database_specific":{"cwe_ids":["CWE-476"],"github_reviewed":true,"github_reviewed_at":"2026-03-26T22:15:54Z","nvd_published_at":"2026-03-27T21:17:27Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}