CVE-2026-75439

Summary

An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/free5gc/free5gc/issues/1059
• https://github.com/free5gc/go-upf/pull/97
• https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8
• https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439
• https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97

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