CVE-2026-1683mediumCWE-404

CVE-2026-1683: medium-severity vulnerability in Free5GC SMF

Free5GC SMF PFCP handler.go HandlePfcpSessionReportRequest denial of service

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.7%
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.
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
Affected products
Free5GC · SMF
Related CVEs — Free5GC SMF

In the same product, most dangerous first.

CVE-2026-1682MEDIUMFree5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereferenceEPSS 0.7%CVE-2026-1684MEDIUMFree5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of serviceEPSS 0.6%