What’s Vulnerable › Vulnerabilities

CVE-2026-30079

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-07 · updated 2026-06-17
• Weakness: CWE-288

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.

Affected products

• Openairinterface Oai-Cn5G-Amf: 2.2.0

References

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

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