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Unrated severityOSV Advisory· Published Jan 30, 2026· Updated Feb 23, 2026

Free5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of service

CVE-2026-1684

Description

A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.

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Affected products

2
  • Free5gc/Free5gcOSV2 versions
    v3.0.5, v3.0.6, v3.0.7, …+ 1 more
    • (no CPE)range: v3.0.5, v3.0.6, v3.0.7, …
    • (no CPE)range: <=4.1.0

Patches

Vulnerability mechanics

References

6

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