CVE-2026-33907
Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.7.0 added IE presence verification to NAS message handling.
- CVSS 3.1
- 6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-26)
- CWE
- CWE-476
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ellanetworks:ella_core
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-55q8-2gwx-29pc | Go | github.com/ellanetworks/core | <1.7.0 | 1.7.0 |
| GO-2026-4872 | Go | github.com/ellanetworks/core | <1.7.0 | 1.7.0 |