{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44473","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-06T17:18:51.782Z","datePublished":"2026-05-27T15:16:05.261Z","dateUpdated":"2026-05-28T14:33:35.170Z"},"containers":{"cna":{"title":"Ella Core: UE Downlink Redirection via Forged PDUSessionResourceSetupResponse","problemTypes":[{"descriptions":[{"cweId":"CWE-358","lang":"en","description":"CWE-358: Improperly Implemented Security Check for Standard","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v"}],"affected":[{"vendor":"ellanetworks","product":"core","versions":[{"version":"< 1.10.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-27T15:16:05.261Z"},"descriptions":[{"lang":"en","value":"Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a 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. This vulnerability is fixed in 1.10.0."}],"source":{"advisory":"GHSA-qfxw-v8qx-vj3v","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-28T14:33:19.699329Z","id":"CVE-2026-44473","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-28T14:33:35.170Z"}}]}}