PT-2026-52854 · Dokku · Dokku

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CVE-2026-54636

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Published

2026-06-26

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Updated

2026-06-29

CVSS v3.1

9.9

Critical

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Dokku versions prior to 0.38.7
Description The cron plugin uses commands defined in the app.json file to manage system cron tasks running as the Dokku user. If a cron command in app.json contains special shell characters, such as > or ;, it can lead to a container breakout, allowing the execution of arbitrary commands on the host system with the privileges of the Dokku user.
Recommendations Update to version 0.38.7.

Exploit

Fix

OS Command Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-54636
GHSA-72VM-7PC2-X95W

Affected Products

Dokku