CVE-2026-1682CWE-404CWE-476

Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference

Medium · published January 30, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
54.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00751 · 54.5th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2026-01-30T14:02Z
EPSS history
Timeline
  • 30 JAN 14:02Z
    Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference
    cvelistv5