{"id":"CVE-2026-73602","title":"Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authenticated users to execute arbitrary code by exploiting moment locale validation bypass","summary":"Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authenticated users to execute arbitrary code by exploiting moment locale validation bypass. Attackers can craft a fake String object …","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-95"],"vendor":"flowiseai","product":"flowise","affected":["flowise < 3.1.3"],"patched":["flowise 3.1.3"],"published":"2026-08-13","updated":"2026-09-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73602","references":[{"url":"https://github.com/FlowiseAI/Flowise/commit/4211bfc8f15746be4019bba557e29a7ba83d54c5","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-rqh4-rxw3-93rp","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/flowise-before-sandbox-escape-to-rce","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00845,"epssPercentile":0.55995,"ingestedAt":"2026-09-05T15:41:17.330Z","slug":"CVE-2026-73602","body":"## Overview\n\nFlowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authenticated users to execute arbitrary code by exploiting moment locale validation bypass. Attackers can craft a fake String object with a match function that bypasses path traversal checks to load and execute malicious JavaScript files stored in the document store outside the sandbox.\n\n## Affected\n\n- `flowise < 3.1.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `flowise 3.1.3`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":54.5,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}