Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ellanetworks | Ella Core | < 1.7.0 |
Related Weaknesses (CWE)
References
- https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd925Patch
- https://github.com/ellanetworks/core/releases/tag/v1.7.0Release Notes
- https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmfVendor Advisory
FAQ
What is CVE-2026-33903?
CVE-2026-33903 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 E...
How severe is CVE-2026-33903?
CVE-2026-33903 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33903?
Check the references section above for vendor advisories and patch information. Affected products include: Ellanetworks Ella Core.