CVE-2025-56568

—

CVSS 3.1

7.5 high

EPSS

<1%p26

Published

Apr 30, 2026 (Apr 30, 2026)

Modified

Jun 17, 2026

Description

Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol configuration data.

Weakness: CWE-617
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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