CVE-2026-33903: Ellanetworks Ella Core

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.

Affected products

• Ellanetworks Ella Core: before 1.7.0 (fixed in 1.7.0)

Published 2026-03-27. Last modified 2026-06-17.