CVE-2026-1974

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.

• CWE-404

• https://github.com/free5gc/free5gc/Product
• https://github.com/free5gc/free5gc/issues/816Exploit, Issue Tracking, Vendor Advisory
• https://github.com/free5gc/free5gc/issues/816#issue-3832055233Exploit, Issue Tracking, Vendor Advisory
• https://github.com/free5gc/smf/pull/189Issue Tracking
• https://vuldb.com/?ctiid.344496Permissions Required, VDB Entry
• https://vuldb.com/?id.344496Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.743237Exploit, Third Party Advisory, VDB Entry

Published

Feb 6, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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