CVE-2026-1973

MEDIUM

Free5GC <4.1.0 - Null Pointer Dereference

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.3
EPSS 0.0012
EPSS Percentile 30.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-476 CWE-404
Status published
Products (1)
free5gc/free5gc < 4.1.0
Published Feb 06, 2026
Tracked Since Feb 18, 2026