CVE-2026-33907

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

                                        CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

March 26, 2026

Last Modified

March 30, 2026

CWE ID

CWE-476

Source

GitHub

Vendor

Product

github.com/ellanetworks/core

External References

https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc
https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273
https://github.com/ellanetworks/core/releases/tag/v1.7.0
https://github.com/advisories/GHSA-55q8-2gwx-29pc

CVE-2026-33907

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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