{"schema":"threatline.record/2","record":{"id":"CVE-2026-116811","aliases":["GHSA-mc99-9jf5-22cq"],"summary":"OpenPanel before 3.0.0 Sandbox Escape RCE via Webhook JavaScript Template","details":"OpenPanel before 3.0.0 contains a sandbox escape vulnerability in the js-runtime validator that allows a project member to bypass the AST allowlist by aliasing the Function constructor. Attackers with write access can read payload.constructor.constructor into a local and call it to run arbitrary code in the worker process.","categories":["Unclassified"],"product":"openpanel","vendor":"Openpanel-dev","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116811","source_modified_at":"2026-10-26T23:05:40.470Z","fetched_at":"2026-10-26T23:45:56.352924Z","product":"openpanel","vendor":"Openpanel-dev","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.0.0"},{"version":"3.0.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116811","source_modified_at":"2026-10-26T23:05:40.470Z","fetched_at":"2026-10-26T23:45:56.352924Z","package":{"name":"openpanel","ecosystem":null},"version":"3.0.0","basis":"first unaffected version stated in the CVE record"}],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T23:05:40.470Z","modified_at":"2026-10-26T23:05:40.470Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116811","fetched_at":"2026-10-26T23:45:56.352924Z","source_modified_at":"2026-10-26T23:05:40.470Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-mc99-9jf5-22cq","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/Openpanel-dev/openpanel/commit/42fc8623b5c5c30f0b89686451c0c5ab13046b81","tags":["patch"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/openpanel-before-3.0.0-sandbox-escape-rce-via-webhook-javascript-template","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T23:05:40.470Z","content_hash":"8fc462bad931b1b97fabc830edeac311177fb72a09b67b9613418e4c75af8653"}}