Vulnerability · Published Jun 17, 2026 · Assigned by mitre
CVE-2026-55748
Medium 6.0
In plain English
A medium-severity OS command injection in Horizon from OpenStack. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.3%top 83.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 of user error, not a vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | horizon | 3:23.0.0-5+deb12u2 | DEBIAN-CVE-2026-55748 |
| Debian:13 | horizon | 3:25.3.0-3+deb13u1 | DEBIAN-CVE-2026-55748 |
| Debian:14 | horizon | 3:25.7.3-2 | DEBIAN-CVE-2026-55748 |
| PyPI | horizon | no fix listed | GHSA-6wrm-x65g-hr4p |
| PyPI | horizon | no fix listed | PYSEC-2026-2519 |
| Ubuntu:22.04:LTS | horizon | no fix listed | UBUNTU-CVE-2026-55748 |
| Ubuntu:24.04:LTS | horizon | no fix listed | UBUNTU-CVE-2026-55748 |
| Ubuntu:25.10 | horizon | no fix listed | UBUNTU-CVE-2026-55748 |
| Ubuntu:26.04:LTS | horizon | no fix listed | UBUNTU-CVE-2026-55748 |
| Ubuntu:26.10 | horizon | no fix listed | UBUNTU-CVE-2026-55748 |
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L