{"cve":"CVE-2026-73222","nvd":{"published":"2026-08-11T19:18:51.720","modified":"2026-10-24T15:10:00.190","status":"Awaiting Analysis","description":"Claude Code Templates is a CLI tool for configuring and monitoring Claude Code. Prior to 1.29.4, the Claude Code Studio server launched by the --studio option in cli-tool/src/sandbox-server.js binds to all interfaces on port 3444, permits cross-origin requests, and requires no authentication. The POST /api/execute endpoint passes the prompt request-body field to executeLocalTask(), and POST /api/install-agent passes the agentName request-body field to a child process. The same unsafe agent field path is reachable from /api/execute through checkAndInstallAgent(). These attacker-controlled values reach child_process.spawn() with shell execution enabled, causing Node.js to construct a shell command in which metacharacters are interpreted. An attacker who can reach the port directly, or who convinces a developer running Studio to visit a malicious website, can execute arbitrary operating-system commands with the developer's privileges and compromise source code, credentials, and local data. This issue is fixed in version 1.29.4.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-78","CWE-306","CWE-352"],"references":["https://github.com/davila7/claude-code-templates/blob/main/CHANGELOG.md","https://github.com/davila7/claude-code-templates/commit/bc4618b07232633c1c0aac12a43e436268d31783","https://github.com/davila7/claude-code-templates/security/advisories/GHSA-79wm-x847-7cvg","https://github.com/davila7/claude-code-templates/security/advisories/GHSA-79wm-x847-7cvg"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-73222","score":0.00319,"percentile":0.24678,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-79wm-x847-7cvg","url":"https://osv.dev/vulnerability/GHSA-79wm-x847-7cvg","summary":"Claude Code Templates: Unauthenticated OS command injection (RCE) in Claude Code Studio server (--studio)","modified":"2026-09-03T20:00:04.931402692Z","packages":[{"ecosystem":"npm","name":"claude-code-templates","purl":"pkg:npm/claude-code-templates","ranges":["<1.29.4"],"fixed":["1.29.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}