CVE-2026-54636

criticalCVSS 9covered by 1 sourcefirst seen 2026-06-26

Dokku is a docker-powered PaaS. Prior to 0.38.7, the cron plugin utilizes commands in the app.json file to manage system cron running as the Dokku user. An app.json cron command utilizing special shell characters - including, but not limited to, > or ; - can break out of the Docker container and execute commands on the host as the Dokku user. This vulnerability is fixed in 0.38.7.

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Exploitation outlook

Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-54636: Dokku is a docker-powered PaaS. Prior to 0.38.7, the cron plugin utilizes commands in the app.…nvd · 2026-06-26

External references

NVD record for CVE-2026-54636

CVE.org record

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