Vulnerability DatabaseCVE-2026-5661
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-5661
Published:April 06, 2026
Updated:May 16, 2026
A vulnerability was identified in Free5GC 4.2.0. This affects an unknown function of the component NGSetupRequest Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit is publicly available and might be used.
Related Resources (7)
https://github.com/user-attachments/files/25581199/amfcfg.yaml
https://github.com/free5gc/free5gc/
https://github.com/free5gc/amf/pull/201
https://vuldb.com/submit/785896
https://vuldb.com/vuln/355485/cti
https://vuldb.com/vuln/355485
https://github.com/free5gc/free5gc/issues/832
Do you need more information?
Contact Us
CVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Improper Resource Shutdown or Release
CWE-404
EPSS
Base Score:
0.08