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CVE-2026-1683

Free5GC SMF PFCP handler.go HandlePfcpSessionReportRequest denial of service

Published: Jan 30, 2026Updated: Feb 23, 2026 Sources: CVE List NVDCWE-404
5.3MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 52.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Not available

Description

A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

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-404

Affected Products

Free5GC
oss-projectaka udm, smf, free5gc udm, free5gc smf
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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References

https://github.com/free5gc/free5gc/issues/804
github.com
https://github.com/free5gc/free5gc/issues/804#issue-3816086696
github.com
https://github.com/free5gc/smf/
github.com
and 5 more references View all →

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