Moderate severityNVD Advisory· Published Mar 23, 2026· Updated Mar 24, 2026
Ella Core panics on malformed ULNASTransport Message without a Request Type
CVE-2026-33283
Description
Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. 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 1.6.0 adds a guard when receiving an UL NAS Message without a Request Type given no SM Context.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/ellanetworks/coreGo | < 1.6.0 | 1.6.0 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/ellanetworks/corepkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 1.6.0+ 1 more
- (no CPE)range: < 1.6.0
- (no CPE)range: < 0.0.20260326T203309-150000.1.155.2
- Range: < 1.6.0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-3366-gw57-fcm5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33283ghsaADVISORY
- github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5ghsax_refsource_CONFIRMWEB
News mentions
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