CVE-2026-44320

high

Published 2026-05-27 · Modified 2026-05-08

CVSS v3

7.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2

—

VIR risk

7.3

Description

free5GC's NEF nnef-callback route group is unauthenticated; forged callback requests are accepted into the processing path

Predictions

Exploit likelihood

82%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/free5gc/nef	`<=1.2.3`
GO	github.com/free5gc/nef	`<= 1.2.3`

References

CWEs

CWE-306 CWE-862

Verify integrity in audit chain (admin only). AS-IS.