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CVE-2026-1684

5.3 · MEDIUM

A vulnerability was found in Free5GC SMF up to 4.1.0.

Published Jan 30, 2026CWE-404EPSS 0.58%

Overview

CVE-2026-1684 is a medium-severity vulnerability. It was published on January 30, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/free5gc/free5gc/issues/806GitHubgithub.com/free5gc/smf/GitHubgithub.com/free5gc/smf/pull/188Refvuldb.com/?ctiid.343477Refvuldb.com/?id.343477Refvuldb.com/?submit.739655Refvuldb.com/?submit.739656

How CyberStrike helps

Frequently asked questions

What is CVE-2026-1684?

CVE-2026-1684 is a medium-severity vulnerability. It was published on January 30, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-1684?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-1684?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-1684?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-1684 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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