CVE-2026-5661
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductFree5gc
PublishedApr 6, 2026
First seenApr 6, 2026
Weakness typeCWE-404CWE-404
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| free5gc free5gc | 4.2.0 | — |
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