CVE-2026-8226 — Open5GS Denial of Service
CVE-2026-8226 — A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been release
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-2026-8226 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.
CVE-2026-8226 - Open5GS ogs_pcc_rule_install_flow_from_media DoS
title: CVE-2026-8226 - Open5GS ogs_pcc_rule_install_flow_from_media DoS
id: scw-2026-05-10-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-8226 by targeting the vulnerable function ogs_pcc_rule_install_flow_from_media in Open5GS. This rule looks for specific URI patterns indicative of an exploit attempt against this known vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-10
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-8226/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/ogs_pcc_rule_install_flow_from_media'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-8226 | vulnerability | CVE-2026-8226 |
| CWE-404 | weakness | CWE-404 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 10, 2026 at 08:16 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.
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