{"cve":"CVE-2026-32320","nvd":{"published":"2026-03-13T19:54:42.450","modified":"2026-06-17T10:35:33.487","status":"Analyzed","description":"Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service. An 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. This vulnerability is fixed in 1.5.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-125"],"references":["https://github.com/ellanetworks/core/security/advisories/GHSA-j478-p7vq-3347"],"products":["ellanetworks:ella_core"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-32320","score":0.00188,"percentile":0.08456,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j478-p7vq-3347","url":"https://osv.dev/vulnerability/GHSA-j478-p7vq-3347","summary":"Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings","modified":"2026-03-23T04:56:01.367525150Z","packages":[{"ecosystem":"Go","name":"github.com/ellanetworks/core","purl":"pkg:golang/github.com/ellanetworks/core","ranges":["<1.5.1"],"fixed":["1.5.1"]}]},{"id":"GO-2026-4691","url":"https://osv.dev/vulnerability/GO-2026-4691","summary":"Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings in github.com/ellanetworks/core","modified":"2026-03-23T04:52:55.705396Z","packages":[{"ecosystem":"Go","name":"github.com/ellanetworks/core","purl":"pkg:golang/github.com/ellanetworks/core","ranges":["<1.5.1"],"fixed":["1.5.1"]}]}],"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."]}