CVE-2026-1976

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

Description

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address 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/817
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/free5gc/free5gc/issues/817#issue-3832188092
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.344498
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.344498
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.743239
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