CVE-2026-33907

MEDIUM6.5EPSS 0.07%

Ella Core Panics during NAS Authentication Response/Failure with missing IEs

Published: 3/26/2026Modified: 4/2/2026

Also known as:GHSA-55q8-2gwx-29pcGO-2026-4872

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.

Affected packages (2)

Go/github.com/ellanetworks/corefrom 0, < 1.7.0
Go/github.com/ellanetworks/corefrom 0, < 1.7.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-33907
PATCHhttps://github.com/ellanetworks/core
WEBhttps://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273
WEBhttps://github.com/ellanetworks/core/releases/tag/v1.7.0
WEBhttps://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc