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Open5GS CVE-2026-8731

| EUVD-2026-30680 LOW
Improper Resource Shutdown or Release (CWE-404)
2026-05-17 VulDB GHSA-qq7j-v673-3qjh
2.1
CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Severity Changed
May 17, 2026 - 05:22 NVD
MEDIUM LOW
CVSS changed
May 17, 2026 - 05:22 NVD
4.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
May 17, 2026 - 05:13 vuln.today

DescriptionNVD

A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function ogs_sbi_client_add in the library /lib/sbi/client.c of the component NRF. The manipulation of the argument client_pool leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Denial of service vulnerability in Open5GS NRF client management (versions ≤2.7.7) allows authenticated remote attackers to crash the Network Repository Function service via malformed client pool arguments. Public exploit code exists (GitHub issue #4464), but vendor has not responded to disclosure. …

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CVE-2026-8731 vulnerability details – vuln.today

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