CVE-2026-1683: Free5GC SMF PFCP handler.go HandlePfcpSessionReportRequest denial of service
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1683?
CVE-2026-1683 has been classified as a denial of service vulnerability.
How do I fix CVE-2026-1683?
To mitigate CVE-2026-1683, upgrade to Free5GC SMF version 4.1.1 or later.
Which versions of Free5GC are affected by CVE-2026-1683?
CVE-2026-1683 affects Free5GC SMF versions up to and including 4.1.0.
What component is vulnerable in CVE-2026-1683?
CVE-2026-1683 affects the PFCP component in Free5GC SMF.
Can CVE-2026-1683 be exploited remotely?
Yes, CVE-2026-1683 can be exploited remotely, leading to a denial of service condition.