CVE-2026-75439
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component
Predictions
Exploit likelihood
20%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.