CVE-2026-45406
Dokku: Host RCE via Maliciously Named OpenResty Include Files Injected Through eval
Description
Dokku is a docker-powered PaaS. Prior to 0.38.2, the openresty-vhosts plugin copies files from an app's openresty/http-includes/ git repository directory to the host and then interpolates their filenames, unescaped, into a single-quoted shell string that is later parsed by eval. A filename containing a single quote breaks the quoting and allows command substitution to execute arbitrary commands on the host as the dokku user during the app's next deploy. This vulnerability is fixed in 0.38.2.
INFO
Published Date :
June 26, 2026, 4:22 p.m.
Last Modified :
June 26, 2026, 4:22 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Affected Products
The following products are affected by CVE-2026-45406
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.
No affected product recoded yet
Solution
- Update Dokku to version 0.38.2 or later.
- Review file handling for shell command injection vulnerabilities.
- Ensure proper sanitization of filenames used in shell commands.
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CVE-2026-45406 vulnerability anywhere in the article.