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.

• CWE-476

• https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273Patch
• https://github.com/ellanetworks/core/releases/tag/v1.7.0Release Notes
• https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pcVendor Advisory

Published

Mar 27, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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