{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55249","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-16T16:44:00.625Z","datePublished":"2026-06-23T18:33:46.014Z","dateUpdated":"2026-06-23T18:53:41.611Z"},"containers":{"cna":{"title":"@rtk-ai/rtk-rewrite: OpenClaw Rewrite Plugin Command Injection via execSync Template String","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":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/rtk-ai/rtk/security/advisories/GHSA-fqgj-m2gp-mr3q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rtk-ai/rtk/security/advisories/GHSA-fqgj-m2gp-mr3q"}],"affected":[{"vendor":"rtk-ai","product":"rtk","versions":[{"version":"1.0.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-23T18:33:46.014Z"},"descriptions":[{"lang":"en","value":"@rtk-ai/rtk-rewrite transparently rewrites shell commands executed via OpenClaw's exec tool to their RTK equivalents. In 1.0.0, the @rtk-ai/rtk-rewrite OpenClaw plugin passes attacker-controlled input directly into a shell-backed execSync() template string without shell-safe escaping. JSON.stringify() wraps the value in double quotes and escapes inner double-quotes and backslashes, but leaves $() and backtick shell metacharacters untouched. Because execSync delegates execution to /bin/sh -c, the shell expands $(...) substitutions even inside double-quoted strings, causing the injected subcommand to execute before rtk is invoked. An attacker who can influence the exec tool's command parameter (e.g., via an LLM agent prompt or gateway/tool-call input) achieves arbitrary OS command execution with the privileges of the plugin/gateway process."}],"source":{"advisory":"GHSA-fqgj-m2gp-mr3q","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/rtk-ai/rtk/security/advisories/GHSA-fqgj-m2gp-mr3q","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-23T18:53:10.248142Z","id":"CVE-2026-55249","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-23T18:53:41.611Z"}}]}}