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Vulnerabilities

Vulnerability · CVE-2026-30079

In OpenAirInterface V2.2.0 AMF, Out of sequence messages causes incorrect state transition during UE registration procedure.

Published Apr 7, 2026 · catalog updated Jun 17, 2026 · In OpenAirInterface V2.2.0 AMF,

Check if you run it

No confirmed exploitation is on record for CVE-2026-30079. EPSS is 0.66%. Act only if a listed version of In OpenAirInterface V2.2.0 AMF, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (In OpenAirInterface V2.2.0 AMF,).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.66%
Remediation
Not established
Affected products
cpe openairinterface/oai-cn5g-amf

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe openairinterface/oai-cn5g-amf2.2.0

How to fix CVE-2026-30079

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-30079. EPSS is 0.66%. Act only if a listed version of In OpenAirInterface V2.2.0 AMF, is installed.

Which versions are affected?

Compare what you have installed with 2.2.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-288. EPSS 0.66%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-30079

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-30079

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-30079

    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 recei

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.