{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39866","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-07T19:13:20.379Z","datePublished":"2026-04-21T01:19:47.510Z","dateUpdated":"2026-04-25T03:55:32.652Z"},"containers":{"cna":{"title":"Lawnchair vulnerable to Command Injection via unquoted workflow dispatch input in release_update.yml","problemTypes":[{"descriptions":[{"cweId":"CWE-77","lang":"en","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"}}],"references":[{"name":"https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427","tags":["x_refsource_CONFIRM"],"url":"https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427"},{"name":"https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2","tags":["x_refsource_MISC"],"url":"https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2"}],"affected":[{"vendor":"LawnchairLauncher","product":"lawnchair","versions":[{"version":"< fcba413f55dd47f8a3921445252849126c6266b2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-04-21T01:19:47.510Z"},"descriptions":[{"lang":"en","value":"Lawnchair is a free, open-source home app for Android. Prior to commit fcba413f55dd47f8a3921445252849126c6266b2, command injection in release_update.yml workflow dispatch input allows arbitrary code execution. Commit fcba413f55dd47f8a3921445252849126c6266b2 patches the issue."}],"source":{"advisory":"GHSA-9prc-pp2c-3427","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T00:00:00+00:00","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-39866"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-25T03:55:32.652Z"}}]}}