CVE-2026-1974

Name: CVE-2026-1974
Creator: NVD / NIST
Published: 2026-02-06T02:16:05.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2026-1974 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

5.5/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

EPSS Probability

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Free5gc	Free5gc	<= 4.1.0

References

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

Timeline

Published: Feb 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1974?

How severe is CVE-2026-1974?

CVE-2026-1974 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1974?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1974?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST