CVE-2026-1973

5.3 MEDIUM
Published: February 06, 2026 Modified: February 09, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/free5gc/free5gc/
Source: cna@vuldb.com
Product
https://github.com/free5gc/free5gc/issues/815
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/free5gc/free5gc/issues/815#issue-3832032062
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/free5gc/smf/pull/189
Source: cna@vuldb.com
Issue Tracking
https://vuldb.com/?ctiid.344495
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.344495
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.743236
Source: cna@vuldb.com
Exploit Third Party Advisory VDB Entry

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
30th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

free5gc