{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-54636: Dokku: OS Command Injection via app.json managed Cron","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-54636","status":"final","version":"1","initial_release_date":"2026-06-26T16:23:58.377Z","current_release_date":"2026-06-26T16:23:58.377Z","revision_history":[{"date":"2026-06-26T16:23:58.377Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-54636 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-54636"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-54636"},{"category":"external","summary":"https://github.com/dokku/dokku/security/advisories/GHSA-72vm-7pc2-x95w","url":"https://github.com/dokku/dokku/security/advisories/GHSA-72vm-7pc2-x95w"},{"category":"external","summary":"https://github.com/dokku/dokku/pull/8672","url":"https://github.com/dokku/dokku/pull/8672"}]},"product_tree":{"branches":[{"category":"vendor","name":"dokku","branches":[{"category":"product_name","name":"dokku","branches":[{"category":"product_version","name":"< 0.38.7","product":{"name":"dokku dokku < 0.38.7","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:dokku:dokku:\\<_0.38.7:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-54636","title":"Dokku: OS Command Injection via app.json managed Cron","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","baseScore":9,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}