CVE-2026-33907

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.

PUBLISHED Reserved 2026-03-24 | Published 2026-03-27 | Updated 2026-03-30 | Assigner GitHub_M

Problem types

CWE-476: NULL Pointer Dereference

Product status

References

github.com/...s/core/security/advisories/GHSA-55q8-2gwx-29pc

github.com/...ommit/52962660e3bd3e23c7e96b0da270ac1e0e705273

github.com/ellanetworks/core/releases/tag/v1.7.0

cve.org (CVE-2026-33907)

nvd.nist.gov (CVE-2026-33907)

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