CVE-2026-32319

High

Published: 13 March 2026

Published

13 March 2026

Modified

19 March 2026

KEV Added

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Patch

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CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score 0.0007 20.8th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-32319 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Ellanetworks Ella Core. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 20.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique.

Threat & Defense Details

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1499.004 Application or System Exploitation Impact

Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.

attack.mitre.org →

Why these techniques?

Vulnerability enables unauthenticated remote exploitation of a network-exposed 5G core service (T1190) via crafted NAS messages that trigger application crash (T1499.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. 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. This vulnerability is fixed in 1.5.1.

Deeper analysisAI

CVE-2026-32319 is a vulnerability in Ella Core, a 5G core implementation designed for private networks, affecting versions prior to 1.5.1. The issue causes the software to panic when processing a malformed integrity-protected NGAP/NAS message with a length under 7 bytes. Classified under CWE-125, it carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), indicating high-impact availability disruption with no confidentiality or integrity effects.

An unauthenticated attacker with network access can exploit this by sending crafted NAS messages to Ella Core, triggering the panic and crashing the process. This leads to service disruption for all connected subscribers, as no authentication is required for the attack.

The vulnerability is addressed in Ella Core version 1.5.1. Additional details are available in the security advisory at https://github.com/ellanetworks/core/security/advisories/GHSA-m9pm-w3gv-c68f.