CVE-2026-30079
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductOpenairinterface Oai-cn5g-amf
PublishedApr 7, 2026
First seenApr 7, 2026
Weakness typeCWE-288CWE-288
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openairinterface oai-cn5g-amf | 2.2.0 | — |
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