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CVE-2026-1973

MEDIUM

5.3

Description

A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/6/2026

Last Modified2/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

free5gc:free5gc

Weaknesses (CWE)

CWE-404CWE-476CWE-476

References

https://github.com/free5gc/free5gc/(cna@vuldb.com)

https://github.com/free5gc/free5gc/issues/815(cna@vuldb.com)

https://github.com/free5gc/free5gc/issues/815#issue-3832032062(cna@vuldb.com)

https://github.com/free5gc/smf/pull/189(cna@vuldb.com)

https://vuldb.com/?ctiid.344495(cna@vuldb.com)

https://vuldb.com/?id.344495(cna@vuldb.com)

https://vuldb.com/?submit.743236(cna@vuldb.com)

IOC Correlations

No correlations recorded

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