Denial of Service Vulnerability in Open5GS NRF Component
CVE-2026-8728
5.3MEDIUM
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-8728?
A security vulnerability has been identified in Open5GS, specifically within the NRF component's function ogs_sbi_discovery_option_parse_plmn_list in /lib/sbi/conv.c. This flaw allows for remote exploitation by an attacker who manipulates the target-plmn-list argument, potentially leading to denial of service. The issue was publicly disclosed and the project maintainers were notified, but further action has not yet been taken.
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
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
LinJu (VulDB User)
VulDB CNA Team