CVE-2026-50189 Details
Description
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.
A remote code execution vulnerability exists in Appsmith versions prior to 2.1. The issue arises because the bundled supervisord exposes an XML-RPC interface on port 9001. This interface is accessible from outside the Docker container through a Caddy reverse-proxy route at '/supervisor/*' on the public ingress. Authenticated administrators can exploit this vulnerability by sending arbitrary XML-RPC calls to supervisord, using the 'twiddler.addProgramToGroup' method to execute OS commands within the Docker container.
Users should update to Appsmith version 2.1 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 25, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/appsmithorg/appsmith/security/advisories/GHSA-v49v-673j-g4vj | CISA-ADP | ExploitThird Party Advisory |
| https://github.com/appsmithorg/appsmith/security/advisories/GHSA-v49v-673j-g4vj | [email protected] | ExploitThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-183 | Permissive List of Allowed Inputs | [email protected] |
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| appsmith appsmith | < 2.1 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 26, 2026 | Initial Analysis | [email protected] |
| Jun 25, 2026 | CVE Modified | CISA-ADP |
| Jun 24, 2026 | New CVE Received | [email protected] |