{"schema_version":"1.7.5","id":"GHSA-q669-4gmv-g8mf","published":"2026-03-19T17:47:01Z","modified":"2026-03-25T21:05:00.496216Z","aliases":["CVE-2026-33281","GO-2026-4783"],"summary":"Ella Core panics on invalid PDU Session IDs in NGAP messages","details":"## Summary\n\nElla Core panics when processing NGAP messages with invalid PDU Session IDs outside of 1-15.\n\n## Impact\nAn attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required.\n\n## Fix\nAdded PDU Session ID validations during NGAP 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":"1.6.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-q669-4gmv-g8mf/GHSA-q669-4gmv-g8mf.json"}}],"references":[{"type":"WEB","url":"https://github.com/ellanetworks/core/security/advisories/GHSA-q669-4gmv-g8mf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33281"},{"type":"PACKAGE","url":"https://github.com/ellanetworks/core"}],"database_specific":{"cwe_ids":["CWE-129"],"github_reviewed":true,"github_reviewed_at":"2026-03-19T17:47:01Z","nvd_published_at":"2026-03-24T00:16:30Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}