CVE-2026-1974

Medium

Description

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue.

SeverityMedium

CVSS5.3

Exploit probability—

ProductFree5gc

PublishedFeb 6, 2026

First seenFeb 6, 2026

Weakness typeCWE-404CWE-404

How to fix

Patches

github.com/free5gc/smf/pull/189

Affected products

Product	Affected versions	Fixed in
free5gc free5gc	v ≤ 4.1.0	—

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