{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-53864: OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control Variables","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-53864","status":"final","version":"1","initial_release_date":"2026-06-16T18:05:09.983Z","current_release_date":"2026-06-16T18:47:59.399Z","revision_history":[{"date":"2026-06-16T18:05:09.983Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables to influence child processes or coverage output paths.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-53864 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-53864"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-53864"},{"category":"external","summary":"GitHub Security Advisory (GHSA-ccwh-wwpp-6wg5)","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-ccwh-wwpp-6wg5"},{"category":"external","summary":"VulnCheck Advisory: OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control Variables","url":"https://www.vulncheck.com/advisories/openclaw-insufficient-environment-variable-sanitization-in-node-js-control-variables"}]},"product_tree":{"branches":[{"category":"vendor","name":"OpenClaw","branches":[{"category":"product_name","name":"OpenClaw","branches":[{"category":"product_version_range","name":"<2026.5.26","product":{"name":"OpenClaw OpenClaw <2026.5.26","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"2026.5.26","product":{"name":"OpenClaw OpenClaw 2026.5.26","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-53864","title":"OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control Variables","notes":[{"category":"description","text":"OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables to influence child processes or coverage output paths.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"],"fixed":["CSAFPID-2"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":7.6,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 2026.5.26.","product_ids":["CSAFPID-1"]}]}]}