{"cve":"CVE-2026-44473","nvd":{"published":"2026-05-27T17:16:39.070","modified":"2026-10-26T11:10:00.157","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":7.1},"cwes":["CWE-358","CWE-863"],"references":["https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v"],"products":[],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-44473","score":0.00166,"percentile":0.05758,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-qfxw-v8qx-vj3v","url":"https://osv.dev/vulnerability/GHSA-qfxw-v8qx-vj3v","summary":"Ella Core Vulnerable to UE Downlink Redirection via Forged PDUSessionResourceSetupResponse","modified":"2026-06-25T23:11:31.617296485Z","packages":[{"ecosystem":"Go","name":"github.com/ellanetworks/core","purl":"pkg:golang/github.com/ellanetworks/core","ranges":["<1.10.0"],"fixed":["1.10.0"]}]},{"id":"GO-2026-5581","url":"https://osv.dev/vulnerability/GO-2026-5581","summary":"Ella Core Vulnerable to UE Downlink Redirection via Forged PDUSessionResourceSetupResponse in github.com/ellanetworks/core","modified":"2026-06-25T23:01:31.836189197Z","packages":[{"ecosystem":"Go","name":"github.com/ellanetworks/core","purl":"pkg:golang/github.com/ellanetworks/core","ranges":["<1.10.0"],"fixed":["1.10.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}