Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2026-8226

6.9MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
10 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8226?

A security flaw in Open5GS versions up to 2.7.7 affects the function ogs_pcc_rule_install_flow_from_media in the types.c library. This vulnerability allows remote attackers to trigger a denial of service, potentially disrupting services for users. Despite early notification through an issue report, the Open5GS team has yet to provide a remediation, putting systems at risk of exploitation. Security professionals should prioritize updates and monitor for any malicious activity related to this vulnerability.

Affected Version(s)

Open5GS 2.7.0

Open5GS 2.7.1

Open5GS 2.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-8226 - Proof of Concept

References

https://vuldb.com/vuln/362443
vdb-entrytechnical-description
https://vuldb.com/vuln/362443/cti
signaturepermissions-required
https://vuldb.com/submit/808445
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LinZiyu (VulDB User)
VulDB CNA Team
.