{"items":[{"id":"NVI-00018659","kind":"vulnerability","title":"Ella Core Vulnerable to UE Downlink Redirection via Forged PDUSessionResourceSetupResponse","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qfxw-v8qx-vj3v","CVE-2026-44473"],"plain_summary":"GitHub lists this reviewed advisory for github.com/ellanetworks/core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-4c4ac81c69172a01a1998b3a1a4ebd5d"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-08T23:48:52.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4c4ac81c69172a01a1998b3a1a4ebd5d"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4c4ac81c69172a01a1998b3a1a4ebd5d","url":"https://github.com/advisories/GHSA-qfxw-v8qx-vj3v","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qfxw-v8qx-vj3v","publisher":"GitHub Advisory Database","observed_at":"2026-11-07T00:50:36.189Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4c4ac81c69172a01a1998b3a1a4ebd5d"],"technology":"github.com/ellanetworks/core","known_exclusions":[],"conditions_summary":"## 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.","public_affected_ranges":["< 1.10.0"]}],"null_published_at":"2026-11-07T07:07:39.868Z","source_updated_at":"2026-06-08T23:48:52.000Z","source_disclosed_at":"2026-05-11T15:18:47.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-07T00:50:36.189Z"}],"next_cursor":null,"snapshot_revision":"42594"}