🛡️ CVE-2026-44315
🔴 CVSS 9.5 — Critical ⚠️ Exploit Public CWE-862 NVD
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-pfd-management API without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can create, read, and delete PFD-management transaction state with a forged or arbitrary bearer token (e.g. Authorization: Bearer not-a-real-token). The route group is also reachable even when the running config's ServiceList does not declare it, so operators who think they disabled the service via config are still exposed. This vulnerability is fixed in 4.2.2.

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
CWE CWE-862
Public Exploit ⚠️ Yes
Source NVD
Published 2026-05-27
Updated 2026-06-09
Modified 2026-05-28
Fix URL N/A

Affected Packages

Software From version Fixed in
free5gc — 4.2.2
github.com/free5gc/nef — —
unknown — —

Similar Threats

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