{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-45408", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-12T01:48:40.452Z", "datePublished": "2026-06-26T16:19:56.118Z", "dateUpdated": "2026-06-26T18:41:32.788Z" }, "containers": { "cna": { "title": "Dokku: OS Command Injection via App Name in Git Pre-Receive Hook", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/dokku/dokku/security/advisories/GHSA-9x85-7gxq-fcr3", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/dokku/dokku/security/advisories/GHSA-9x85-7gxq-fcr3" }, { "name": "https://github.com/dokku/dokku/pull/8590", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/dokku/dokku/pull/8590" } ], "affected": [ { "vendor": "dokku", "product": "dokku", "versions": [ { "version": "< 0.38.2", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-26T16:19:56.118Z" }, "descriptions": [ { "lang": "en", "value": "Dokku is a docker-powered PaaS. Prior to 0.38.2, the app name validation regex (^[a-z0-9][^/:_A-Z]*$) permits shell metacharacters. When an authenticated user pushes to a git remote with a crafted app name, the name is embedded unquoted into a bash pre-receive hook script via an unquoted heredoc (<