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Open5GS CVE-2026-7706

LOW
Improper Resource Shutdown or Release (CWE-404)
2026-05-03 VulDB
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

6
Severity Changed
May 03, 2026 - 23:22 NVD
MEDIUM LOW
CVSS changed
May 03, 2026 - 23:22 NVD
4.3 (MEDIUM) 2.1 (LOW)
PoC Detected
May 03, 2026 - 23:16 vuln.today
Public exploit code
Analysis Generated
May 03, 2026 - 23:00 vuln.today
Analysis Generated
May 03, 2026 - 22:45 vuln.today
CVE Published
May 03, 2026 - 22:15 nvd
LOW 2.1

DescriptionNVD

A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the function gmm_handle_service_request of the file /src/amf/gmm-handler.c of the component AMF. The manipulation leads to denial of service. The attack can be initiated 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 in Open5GS versions up to 2.7.7 allows authenticated remote attackers to crash the AMF (Access and Mobility Management Function) component by exploiting improper error handling in the gmm_handle_service_request function. The vulnerability requires low-privilege authentication to trigger and results in service unavailability. …

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CVE-2026-7706 vulnerability details – vuln.today
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