What is CVE-2026-30077?

CVE-2026-30077 is a high-severity vulnerability in Openairinterface, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-30.

How severe is CVE-2026-30077?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Openairinterface

CVE-2026-30077

OpenAirInterface V2.2.0 AMF crashes when it fails to decode the message. Not all decode failures result in a crash. But the crash is consistent for particular inputs. An example input in hex stream is 80 00 00 0E 00 00 01 00 0F 80 02 02 40 00 58 00 01 88.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Openairinterface — versions 2.2.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/issues/76 (Third Party Advisory, Issue Tracking)
gitlab.eurecom.fr/oai/cn5g/oai-cn5g-amf/-/merge_requests/414 (Mitigation, Issue Tracking)

Frequently asked questions

What is CVE-2026-30077?: CVE-2026-30077 is a high-severity vulnerability in Openairinterface, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-30.
How severe is CVE-2026-30077?: High severity. CVSS v3 base score is 7.5 out of 10.