{"id":"GHSA-qfxw-v8qx-vj3v","revision":"e363b285948543b681bd23ed5421571b","records":[{"revision":"e363b285948543b681bd23ed5421571b","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-qfxw-v8qx-vj3v","aliases":["CVE-2026-44473","GO-2026-5581"],"title":"Ella Core Vulnerable to UE Downlink Redirection via Forged PDUSessionResourceSetupResponse","description":"## Summary\n\nA radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE's AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE's logical NG-connection, then creates a GTP tunnel towards that radio.\n\n## Impact\n\nDownlink user-plane traffic for the targeted UE is redirected to the attacker's radio.\n\n## Fix\n\nUE context lookups are now scoped to the sending radio's SCTP association.","state":0,"publishedAt":"2026-05-11T15:18:47+00:00","modifiedAt":"2026-06-25T23:11:31.6172965+00:00","affected":[{"ecosystem":"Go","name":"github.com/ellanetworks/core","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.10.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v","https://nvd.nist.gov/vuln/detail/CVE-2026-44473","https://github.com/ellanetworks/core"],"sourceUrl":"https://github.com/advisories/GHSA-qfxw-v8qx-vj3v","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-qfxw-v8qx-vj3v","identifiers":["GHSA-qfxw-v8qx-vj3v","CVE-2026-44473","GO-2026-5581"]},"retained":false,"historicalAffected":[]}],"coverage":[]}