CVE-2026-7601

Medium

Description

A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument reg_type leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able to address this issue. The identifier of the patch is ebc66942b6f8f1fab2d640e71cf4e9f1a423b426. It is advisable to upgrade the affected component.

SeverityMedium

CVSS4.3

Exploit probability—

ProductOpen5gs

PublishedMay 2, 2026

First seenMay 2, 2026

Weakness typeCWE-404CWE-404

How to fix

Patches

github.com/open5gs/open5gs/commit/ebc66942b6f8f1fab2d640e71cf4e9f1a423b426
github.com/open5gs/open5gs/releases/tag/v2.7.7

Affected products

Product	Affected versions	Fixed in
open5gs open5gs	2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6	—

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