Null Pointer Dereference Vulnerability in Open5GS by Open5GS Project
CVE-2026-8252

5.3MEDIUM

Key Information:

Status
Vendor
CVE Published:
10 May 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-8252?

A significant vulnerability has been identified in Open5GS versions up to 2.7.7, specifically within the SMF component's function smf_nsmf_handle_create_data_in_hsmf. This issue allows attackers to exploit a null pointer dereference, which can lead to denial of service. Importantly, this vulnerability can be triggered remotely, making it a critical concern for users of the software. The project maintainers were alerted to this vulnerability through an early issue report; however, there has been no official response or remediation plan provided as of yet.

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.

References

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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

FrankLin (VulDB User)
VulDB CNA Team
.