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CVE-2026-42082

3.7 LOW

free5GC is an open-source implementation of the 5G core network

Published: 2026-05-27 · Last updated: 2026-05-28

Severity and scoring

CVSS
3.7 LOW
Vector
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
CWE
CWE-358

Affected products

VendorProduct
free5gcfree5gc

Description

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AMF does not check for ongoing N2 handover procedures before initiating a NAS Security Mode Command, and vice versa. This can lead to mismatches between NAS and AS security contexts in the network and the UE. This vulnerability is fixed in 4.2.2.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-44330 — free5GC is an open-source implementation of the 5G core network (10.0 CRITICAL)
  • CVE-2026-44329 — free5GC is an open-source implementation of the 5G core network (10.0 CRITICAL)
  • CVE-2026-44328 — free5GC is an open-source implementation of the 5G core network (8.2 HIGH)
  • CVE-2026-44327 — free5GC is an open-source implementation of the 5G core network (10.0 CRITICAL)
  • CVE-2026-44326 — free5GC is an open-source implementation of the 5G core network (9.4 CRITICAL)

Same CWE

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  • CVE-2026-44475 — Ella Core is a 5G core designed for private networks (6.1 MEDIUM)
  • CVE-2026-44474 — Ella Core is a 5G core designed for private networks (3.7 LOW)
  • CVE-2026-44473 — Ella Core is a 5G core designed for private networks (7.1 HIGH)