{"schema":"threatline.record/2","record":{"id":"CVE-2026-73483","aliases":["GHSA-9gvv-qjj3-2p6g"],"summary":"Flowise NodeVM sandbox escape via puppeteer allowlist - authenticated RCE and arbitrary file read via Chromium","details":"Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the `vm2/@flowiseai/nodevm` JavaScript sandbox. An authenticated user with access to the `/api/v1/node-custom-function` endpoint can escape the sandbox by supplying attacker-controlled executablePath and args parameters to puppeteer.launch(), which internally invokes child_process.spawn() outside the sandbox boundary. This allows execution of arbitrary OS commands as the Flowise process user (root in the official Docker image) and arbitrary host file disclosure via Chromium's `file://` URL handling. In versions 3.0.8–3.1.2 exploitation requires `ALLOW_BUILTIN_DEP=true`; earlier versions are exploitable by default. Fixed in 3.1.3.","categories":["Libraries & packages"],"product":"flowise","vendor":"FlowiseAI","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:17:03Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"flowise"},"range":"<= 3.1.2"},{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:17:03Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"flowise-components"},"range":"<= 3.1.2"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-73483","source_modified_at":"2026-08-14T22:25:36.593Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Flowise","vendor":"FlowiseAI","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.1.3"},{"version":"3.1.3","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-73483","source_modified_at":"2026-08-14T22:25:36.593Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Flowise","vendor":"FlowiseAI","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.1.3"},{"version":"3.1.3","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:30:05.292544404Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"flowise","ecosystem":"npm","purl":"pkg:npm/flowise"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.1.3"}]}],"versions":[]},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:30:05.292544404Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"flowise-components","ecosystem":"npm","purl":"pkg:npm/flowise-components"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.1.3"}]}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:17:03Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"flowise"},"version":"3.1.3"},{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:17:03Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"flowise-components"},"version":"3.1.3"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-73483","source_modified_at":"2026-08-14T22:25:36.593Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Flowise","ecosystem":null},"version":"3.1.3","basis":"first unaffected version stated in the CVE record"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:30:05.292544404Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"flowise","ecosystem":"npm","purl":"pkg:npm/flowise"},"version":"3.1.3"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-9gvv-qjj3-2p6g","source_modified_at":"2026-10-07T16:30:05.292544404Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"flowise-components","ecosystem":"npm","purl":"pkg:npm/flowise-components"},"version":"3.1.3"}],"cvss":9.4,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00621,"percentile":0.4916,"score_date":"2026-10-23"},"published_at":"2026-08-13T11:28:04.025Z","modified_at":"2026-10-07T16:30:05.292544404Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-9gvv-qjj3-2p6g","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-07T16:17:03Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-73483","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-08-14T22:25:36.593Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-9gvv-qjj3-2p6g","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-07T16:30:05.292544404Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-73483","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9gvv-qjj3-2p6g","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73483","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/flowise-before-sandbox-escape-via-puppeteer","tags":["third-party-advisory"]},{"url":"https://github.com/advisories/GHSA-9gvv-qjj3-2p6g","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-08-14T22:25:16.050386Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-07T16:30:05.292544404Z","content_hash":"cd646cfe6690c90f7ee41d1ca6639be9cc507b2efc436c93d9ddab261c38a353"}}