CVE-2026-1682

MEDIUM

Free5GC SMF <4.1.0 - Null Pointer Dereference

Title source: llm
STIX 2.1

Description

A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.

Scores

CVSS v3 5.3
EPSS 0.0004
EPSS Percentile 12.7%
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-404 CWE-476
Status published
Products (1)
free5gc/free5gc < 4.1.0
Published Jan 30, 2026
Tracked Since Feb 18, 2026