CVE-2026-30079

critical · 9.8

In OpenAirInterface V2.2.0 AMF, Out of sequence messages causes incorrect state transition during UE registration procedure. This allows authentication to be bypassed completely. If a SecurityModeComplete message is sent after InitialUERegistration, a registration reject is received followed by a registration accept! This leads the UE to be registered without proper authentication.

9.8

CVSS

0.5%

EPSS (exploit prob.)

44th

EPSS percentile

2026-04-07

Published

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

Weaknesses

CWE-288

Affected products

Vendor	Product	Affected versions
openairinterface	oai-cn5g-amf	2.2.0

Check a specific version with /api/v1/cve/match.

References

https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/77

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-30079