CVE-2026-55748
OpenStack Horizon: Arbitrary Command Injection via Crafted Project Name in RC File Download
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.
INFO
Published Date :
June 17, 2026, 3:17 p.m.
Last Modified :
June 17, 2026, 5:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-55748
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update OpenStack Horizon to version 25.7.4 or later.
- Sanitize project names used in script generation.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-55748.
| URL | Resource |
|---|---|
| https://launchpad.net/bugs/2152240 | |
| https://wiki.openstack.org/wiki/OSSN/OSSN-0097 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-55748 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-55748
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-55748 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-55748 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-55748', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-17T15:40:00.409005Z'} -
New CVE Received by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'OpenStack', 'product': 'Horizon', 'versions': [{'status': 'affected', 'version': '8.0.0', 'lessThan': '25.3.3', 'versionType': 'semver'}, {'status': 'affected', 'version': '25.4.0', 'lessThan': '25.5.3', 'versionType': 'semver'}, {'status': 'affected', 'version': '25.6.0', 'lessThan': '25.7.4', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V3.1 AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L Added CWE CWE-78 Added Reference https://launchpad.net/bugs/2152240 Added Reference https://wiki.openstack.org/wiki/OSSN/OSSN-0097