Denial of Service in Open5GS up to 2.7.7

Publication date: 2026-05-03

Last updated on: 2026-05-03

Assigner: VulDB

Description

A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the function gmm_handle_service_request of the file /src/amf/gmm-handler.c of the component AMF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

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Meta Information

Published

2026-05-03

Last Modified

2026-05-03

Generated

2026-07-06

AI Q&A

2026-05-04

EPSS Evaluated

2026-07-05

NVD

CVE-2026-7706

Affected Vendors & Products

Vendor	Product	Version / Range
open5gs	open5gs	to 2.7.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-404	The product does not release or incorrectly releases a resource before it is made available for re-use.

Attack-Flow Graph

Executive Summary

This vulnerability exists in Open5GS versions up to 2.7.7, specifically in the function gmm_handle_service_request within the AMF component. It allows an attacker to remotely manipulate the function, which leads to a denial of service condition.

Impact Analysis

The vulnerability can be exploited remotely to cause a denial of service, which means that the affected Open5GS service could become unavailable or unresponsive, potentially disrupting network operations that rely on it.

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