{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-50189: Appsmith: RCE via Supervisord XML-RPC Admin Interface Exposed via /supervisor Caddy Route","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-50189","status":"final","version":"1","initial_release_date":"2026-06-24T21:35:00.872Z","current_release_date":"2026-06-24T21:35:00.872Z","revision_history":[{"date":"2026-06-24T21:35:00.872Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, Appsmith's bundled supervisord exposes an XML-RPC interface on port 9001, reachable from outside the container via a Caddy reverse-proxy route at /supervisor/* on the public ingress. Combined with the APPSMITH_SUPERVISOR_PASSWORD exposed via GET /api/v1/admin/env, any authenticated administrator can send arbitrary XML-RPC calls to supervisord and execute OS commands inside the Docker container via twiddler.addProgramToGroup. This vulnerability is fixed in 2.1.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-50189 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-50189"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-50189"},{"category":"external","summary":"https://github.com/appsmithorg/appsmith/security/advisories/GHSA-v49v-673j-g4vj","url":"https://github.com/appsmithorg/appsmith/security/advisories/GHSA-v49v-673j-g4vj"}]},"product_tree":{"branches":[{"category":"vendor","name":"appsmithorg","branches":[{"category":"product_name","name":"appsmith","branches":[{"category":"product_version","name":"< 2.1","product":{"name":"appsmithorg appsmith < 2.1","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:appsmithorg:appsmith:\\<_2.1:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-50189","title":"Appsmith: RCE via Supervisord XML-RPC Admin Interface Exposed via /supervisor Caddy Route","notes":[{"category":"description","text":"Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, Appsmith's bundled supervisord exposes an XML-RPC interface on port 9001, reachable from outside the container via a Caddy reverse-proxy route at /supervisor/* on the public ingress. Combined with the APPSMITH_SUPERVISOR_PASSWORD exposed via GET /api/v1/admin/env, any authenticated administrator can send arbitrary XML-RPC calls to supervisord and execute OS commands inside the Docker container via twiddler.addProgramToGroup. This vulnerability is fixed in 2.1.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","baseScore":8.9,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}