Vulnerability Details CVE-2026-30080
OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. Configuration has supported integrity NIA1 and NIA2. But if an UE sends initial registration request with only security capability IA0, OpenAirInterface accepts and proceeds. This downgrade security context can lead to the possibility of replay attack.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.8%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-30080
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cpe:2.3:a:openairinterface:oai-cn5g-amf:2.2.0