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

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

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 free5gc udm, udm, smf, 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.

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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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