What is CVE-2026-44393?

CVE-2026-44393 is a high-severity vulnerability in N/a, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 7.4/10. Published 2026-06-04.

How severe is CVE-2026-44393?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in N/a

CVE-2026-44393

An issue was discovered in OpenStack oslo.messaging 1.0.0 through 17.3.0. The oslo.messaging RabbitMQ driver does not perform TLS hostname verification when connecting to the message broker. When ssl_ca_file is configured, the driver enabl…

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-297 — Improper Validation of Certificate with Host Mismatch

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-44393?: CVE-2026-44393 is a high-severity vulnerability in N/a, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 7.4/10. Published 2026-06-04.
How severe is CVE-2026-44393?: High severity. CVSS v3 base score is 7.4 out of 10.