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CVE-2026-30079 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/77	[email protected]	ExploitIssue TrackingThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-288	Authentication Bypass Using an Alternate Path or Channel	CISA-ADP

Affected Products

Product	Versions
openairinterface oai-cn5g-amf	2.2.0
CPE cpe:2.3:a:openairinterface:oai-cn5g-amf:2.2.0:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 14, 2026	Initial Analysis	[email protected]
Apr 9, 2026	CVE Modified	CISA-ADP
Apr 7, 2026	New CVE Received	[email protected]