CVE-2026-30080

Name: CVE-2026-30080
Creator: NVD / NIST
Published: 2026-04-08T17:21:18.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2026-30080 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. Configuration has supported integrity NIA1 and NIA2. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.25%

16.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-294

Affected Software

Vendor	Product	Versions
Openairinterface	Oai-Cn5g-Amf	2.2.0

References

https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/78Exploit, Issue Tracking, Third Party Advisory
https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/78Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-30080?

How severe is CVE-2026-30080?

CVE-2026-30080 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2026-30080?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-30080?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST