CVE-2026-44473

Description

Ella Core Vulnerable to UE Downlink Redirection via Forged PDUSessionResourceSetupResponse

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.1 / 10

CVSS vector

AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Effective score

7.1 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2026-44473

Linked Threat

CVE-2026-44473 — CVE-2026-44473

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2026-32563

Assigner

GitHub_M

Published

May 27, 2026, 3:16:05 PM

Updated

May 28, 2026, 2:33:35 PM

EUVD base score (CVSS 3.1)

7.1 / 10
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

EUVD-reported EPSS

0.1700

Vendors

ellanetworks

Products

core (< 1.10.0)

Aliases

GHSA-qfxw-v8qx-vj3v

ENISA description: Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE's AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE's logical NG-connection, then creates a GTP tunnel towards that radio. This vulnerability is fixed in 1.10.0.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (4)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://github.com/ellanetworks/core/security/advisories/GHSA-qfxw-v8qx-vj3v tenable:github.com
• https://www.first.org/epss/ tenable:www.first.org
• https://nvd.nist.gov/vuln/detail/CVE-2026-44473 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-44473 tenable:www.cve.org

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