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Open5GS CVE-2026-8248

| EUVD-2026-29001 LOW
Improper Resource Shutdown or Release (CWE-404)
2026-05-10 VulDB GHSA-jj2p-w4f3-jmgm
Denial Of Service
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

4
Severity Changed
May 10, 2026 - 23:22 NVD
MEDIUM LOW
CVSS changed
May 10, 2026 - 23:22 NVD
4.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
May 10, 2026 - 23:00 vuln.today
CVE Published
May 10, 2026 - 22:15 nvd
MEDIUM 4.3

DescriptionNVD

A vulnerability was detected in Open5GS up to 2.7.7. The affected element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now 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 in Open5GS up to version 2.7.7 allows authenticated remote attackers to crash the Service Mobility Function (SMF) component via manipulation of the update_authorized_pcc_rule_and_qos function in npcf-handler.c. Publicly available exploit code exists, and the vendor has not released a patch despite early notification through issue tracking.

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CVE-2026-8248 vulnerability details – vuln.today
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