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CVE-2026-1682

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

Published: Jan 30, 2026Updated: Feb 23, 2026 Sources: CVE List NVDCWE-404
5.3MEDIUM
NVD MITRE
EPSS Score
0.7%
Top 51.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-404CWE-476

Affected Products

Free5GC
oss-projectaka free5gc smf, free5gc udm, smf, udm
free5gcOn-premNetwork Device
Networking Infrastructure / router-switch
SMFOn-premNetwork Device
Networking Infrastructure / network-management

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://github.com/free5gc/free5gc/issues/794
github.com
https://github.com/free5gc/free5gc/issues/794#issue-3811888505
github.com
https://github.com/free5gc/free5gc/issues/794#issuecomment-3761063382
github.com
and 5 more references View all →

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