OpenStack Horizon <25.7.4 RC file script download may exec shell meta
CVE-2026-55748 Published on June 17, 2026
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.
Vulnerability Analysis
CVE-2026-55748 is exploitable with network access, requires user interaction and user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-55748 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2026-55748
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Affected Versions
OpenStack Horizon:- Version 8.0.0 and below 25.3.3 is affected.
- Version 25.4.0 and below 25.5.3 is affected.
- Version 25.6.0 and below 25.7.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.