GitHub Advisoryadvisory · Go
GHSA-55q8-2gwx-29pc Ella Core Panics during NAS Authentication Response/Failure with missing IEs
MEDIUM
Official page ↗
- Aliases
- CVE-2026-33907
- Ecosystem
- Go
- Packages
- github.com/ellanetworks/core
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
- Reviewed
- 2026-03-26
Affected packages
• Go github.com/ellanetworks/core: < 1.7.0 → fixed in 1.7.0
Description
Summary
Ella Core panics when processing Authentication Response and Authentication Failure NAS message missing IEs.
Impact
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.
Fix
Added IE presence verification to NAS message handling.
Related
Alias · CVE (1)
- CVE-2026-33907 Ella Core is a 5G core designed for private networks. vulnerability
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc web
- https://nvd.nist.gov/vuln/detail/CVE-2026-33907 advisory
- https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273 web
- https://github.com/ellanetworks/core package
- https://github.com/ellanetworks/core/releases/tag/v1.7.0 web