CVE-2026-1973CWE-404CWE-476

Free5GC SMF establishPfcpSession null pointer dereference

Medium · published February 6, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
48.6
In the wild
Unconfirmed
What it is

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.

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
0.00611 · 48.6th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2026-02-06T01:32Z
EPSS history
Timeline
  • 06 FEB 01:32Z
    Free5GC SMF establishPfcpSession null pointer dereference
    cvelistv5