OS command injection in OpenStack Horizon
Priority LOW 32CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-78.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix Partial Horizon (OpenStack): 25.3.3, 25.5.3, 25.7.4Red Hat: 4 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenStack | Horizon | 8.0.0 to before 25.3.3; 25.4.0 to before 25.5.3; 25.6.0 to before 25.7.4 | 25.3.3, 25.5.3, 25.7.4 | Patch available | CNA |
| — | horizon (PyPI) | up to 25.7.3 | — | No fix listed | GHSA-6wrm-x65g-hr4p |
- Horizon VendorOpenStack Affected 8.0.0 to before 25.3.3; 25.4.0 to before 25.5.3; 25.6.0 to before 25.7.4 Fixed in 25.3.3, 25.5.3, 25.7.4 Patch available CNA
- horizon (PyPI) Vendor— Affected up to 25.7.3 Fixed in — No fix listed GHSA-6wrm-x65g-hr4p
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:* | 8.0.0 to before 25.3.3; 25.4.0 to before 25.5.3; 25.6.0 to before 25.7.4 | Vulnerable | OpenStack |
- cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:* Versions 8.0.0 to before 25.3.3; 25.4.0 to before 25.5.3; 25.6.0 to before 25.7.4 Vulnerable ·OpenStack
Remediation
- Fix · CNA Horizon (OpenStack) Fixed in 25.3.3, 25.5.3, 25.7.4
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 16.2 | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 18.0 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-55748
- 2026-10-03 Alias added: GHSA-6wrm-x65g-hr4p
References
More OpenStack Horizon vulnerabilities
- TI-2026-31182 An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. CVSS 3.1MEDIUM 5.3
- TI-2012-01917 Session fixation vulnerability in OpenStack Dashboard (Horizon) folsom-1 and 2012.1… CVSS 2.0MEDIUM 6.8
- TI-2012-03067 Open redirect vulnerability in views/auth_forms.py in OpenStack Dashboard (Horizon) Essex… CVSS 2.0MEDIUM 5.8
- TI-2020-17754 An issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and… CVSS 3.1MEDIUM 6.1
- TI-2022-22498 Open Redirect vulnerability in Horizon Web Dashboard 19.4.0 thru 20.1.4 via the success_url parameter. CVSS 3.1MEDIUM 6.1
- TI-2016-03804 Cross-site scripting (XSS) vulnerability in OpenStack Dashboard (Horizon) 8.0.1 and… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-55748 · CVE Program
- CVE-2026-55748 · NVD
- FIRST EPSS
- GHSA-6wrm-x65g-hr4p · GitHub Advisory Database · CC BY 4.0
- CVE-2026-55748 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences