What is CVE-2026-55748?

CVE-2026-55748 is a medium-severity vulnerability in Openstack Horizon, classified under OS Command Injection. CVSS score: 6.0/10. Published 2026-06-17.

How severe is CVE-2026-55748?

Medium severity. CVSS v3 base score is 6.0 out of 10.

RCE in Openstack Horizon

CVE-2026-55748

OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types o…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L.

Affected products

Openstack Horizon — versions 8.0.0, 25.4.0, 25.6.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-55748?: CVE-2026-55748 is a medium-severity vulnerability in Openstack Horizon, classified under OS Command Injection. CVSS score: 6.0/10. Published 2026-06-17.
How severe is CVE-2026-55748?: Medium severity. CVSS v3 base score is 6.0 out of 10.