What is CVE-2026-93291?

CVE-2026-93291 is a critical-severity vulnerability, classified under Improper Certificate Validation. CVSS score: 9.4/10. Published 2026-09-24.

How severe is CVE-2026-93291?

Critical severity. CVSS v3 base score is 9.4 out of 10.

CVE-2026-93291

CVE-2026-93291

Omni C20 lacks proper certificate validation which could allow an attacker to perform a man-in-the-middle attack which could allow them to execute arbitrary code.

Vulnerability class: Improper Certificate Validation

Published 2026-09-24 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.cisa.gov/news-events/ics-advisories/icsa-26-267-02

Frequently asked questions

What is CVE-2026-93291?: CVE-2026-93291 is a critical-severity vulnerability, classified under Improper Certificate Validation. CVSS score: 9.4/10. Published 2026-09-24.
How severe is CVE-2026-93291?: Critical severity. CVSS v3 base score is 9.4 out of 10.