What’s Vulnerable › Vulnerabilities

CVE-2026-75439

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-14
• Weakness: CWE-476

Description

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

References

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

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