# CVE-2025-56568

> Vulnerability · severity: **HIGH** (CVSS 7.5).

## 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.

## Key facts

- **CVE ID:** CVE-2025-56568
- **Published:** 2026-04-30
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-617

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-56568

## Citation

> AI Analytics. CVE-2025-56568. Retrieved 2026-07-12 from https://api.ai-analytics.org/cve/CVE-2025-56568. Derived from NIST NVD. Licensed CC0.

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