CVE-2026-7601 — Open5GS Denial of Service
CVE-2026-7601 — 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
What This Means For You
- If your environment is affected by CWE-404, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-7601 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
1 rule · 6 SIEM formats1 detection rule auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Open5GS AMF Denial of Service via reg_type manipulation (CVE-2026-7601)
title: Open5GS AMF Denial of Service via reg_type manipulation (CVE-2026-7601)
id: scw-2026-05-02-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit CVE-2026-7601 by sending a crafted request to the Open5GS AMF component. The vulnerability lies in the manipulation of the 'reg_type' argument, leading to a denial of service. This rule specifically looks for the presence of 'reg_type=' in the query string of a POST request, which is indicative of an exploit attempt against this specific vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-02
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-7601/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri-query|contains:
- 'reg_type='
cs-method:
- 'POST'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-7601 | vulnerability | CVE-2026-7601 |
| CWE-404 | weakness | CWE-404 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 02, 2026 at 06:15 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
Believe this infringes your rights? Submit a takedown request.
Related coverage
Argo CD CVE-2026-43824: Critical Kubernetes Secret Disclosure
CVE-2026-43824 — In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data.
CVE-2026-7600 — ArtMin96 Yii2-Mcp-Server Command Injection
CVE-2026-7600 — A flaw has been found in ArtMin96 yii2-mcp-server 1.0.2. This impacts the function yii_command_help/yii_execute_command of the file src/index.ts of the component MCP Interface....
CVE-2026-7599 — Dayoooun Hwpx-Mcp Path Traversal
CVE-2026-7599 — A vulnerability was detected in Dayoooun hwpx-mcp 0.2.0. This affects the function save_document/export_to_text/export_to_html of the file mcp-server/src/index.ts of the component MCP Interface. Performing...