Denial of Service Vulnerability in Open5GS by Open5GS
CVE-2026-8268

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
11 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8268?

A vulnerability in Open5GS’s SMF component, specifically within the OpenAPI_list_create function, allows a remote attacker to execute a denial of service attack. This issue has been disclosed publicly, making affected installations potentially vulnerable to disruptions. The Open5GS project was notified about this problem but has yet to provide a resolution.

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-2026-8268 - Proof of Concept

References

https://vuldb.com/vuln/362565
vdb-entrytechnical-description
https://vuldb.com/vuln/362565/cti
signaturepermissions-required
https://vuldb.com/submit/808485
third-party-advisory

CVSS V4

Score:
5.3
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

FrankLin (VulDB User)
VulDB CNA Team
.