{"schema_version":1,"title":"Nyariv Sandboxjs vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 12 vulnerabilities in Nyariv Sandboxjs: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-43898, was published on 28 May 2026.","url":"https://junglewise.ai/threats/technologies/sandboxjs","json_url":"https://junglewise.ai/threats/technologies/sandboxjs.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/sandboxjs","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":12,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":11},"latest":[{"cve":"CVE-2026-43898","cvss":10,"epss":0.0063,"slug":"cve-2026-43898-nyariv-sandboxjs-sandbox-escape-via-function-caller-leakage","title":"nyariv SandboxJS sandbox escape via Function.caller leakage","severity":"critical","exploited":false,"published_at":"2026-05-28T18:16:32.837+00:00","url":"https://junglewise.ai/threats/cve-2026-43898-nyariv-sandboxjs-sandbox-escape-via-function-caller-leakage"},{"cve":"CVE-2026-34217","cvss":4,"epss":0.0035,"slug":"cve-2026-34217-sandboxjs-sandbox-escape-via-prop-object-leak-in-new-handler","title":"SandboxJS sandbox escape via Prop object leak in new handler","severity":"medium","exploited":false,"published_at":"2026-04-03T21:45:38+00:00","url":"https://junglewise.ai/threats/cve-2026-34217-sandboxjs-sandbox-escape-via-prop-object-leak-in-new-handler"},{"cve":"CVE-2026-34211","cvss":4,"epss":0.0049,"slug":"cve-2026-34211-sandboxjs-stack-overflow-via-deeply-nested-expressions","title":"SandboxJS stack overflow via deeply nested expressions","severity":"medium","exploited":false,"published_at":"2026-04-03T21:45:14+00:00","url":"https://junglewise.ai/threats/cve-2026-34211-sandboxjs-stack-overflow-via-deeply-nested-expressions"},{"cve":"CVE-2026-34208","cvss":3.1,"epss":0.006,"slug":"cve-2026-34208-nyariv-sandboxjs-sandbox-integrity-escape-via-constructor-bypass","title":"SandboxJS sandbox integrity escape via constructor manipulation","severity":"low","exploited":false,"published_at":"2026-04-03T21:44:39+00:00","url":"https://junglewise.ai/threats/cve-2026-34208-nyariv-sandboxjs-sandbox-integrity-escape-via-constructor-bypass"},{"cve":"CVE-2026-32723","cvss":4,"epss":0.0012,"slug":"cve-2026-32723-sandboxjs-execution-quota-bypass-in-timers","title":"SandboxJS execution-quota bypass in timers","severity":"medium","exploited":false,"published_at":"2026-03-16T16:43:05+00:00","url":"https://junglewise.ai/threats/cve-2026-32723-sandboxjs-execution-quota-bypass-in-timers"},{"cve":"CVE-2026-26954","cvss":3.1,"epss":0.006,"slug":"cve-2026-26954-sandboxjs-sandbox-escape-allowing-remote-code-execution","title":"SandboxJS sandbox escape allowing remote code execution","severity":"low","exploited":false,"published_at":"2026-03-13T13:46:08+00:00","url":"https://junglewise.ai/threats/cve-2026-26954-sandboxjs-sandbox-escape-allowing-remote-code-execution"},{"cve":"CVE-2026-25881","cvss":3.1,"epss":0.0064,"slug":"cve-2026-25881-nyariv-sandboxjs-sandbox-escape-via-prototype-pollution","title":"nyariv SandboxJS sandbox escape via prototype pollution","severity":"low","exploited":false,"published_at":"2026-02-10T00:24:53+00:00","url":"https://junglewise.ai/threats/cve-2026-25881-nyariv-sandboxjs-sandbox-escape-via-prototype-pollution"},{"cve":"CVE-2026-25586","cvss":3.1,"epss":0.0066,"slug":"cve-2026-25586-nyariv-sandboxjs-sandbox-escape-via-prototype-whitelist-bypass","title":"nyariv sandboxjs sandbox escape via prototype whitelist bypass","severity":"low","exploited":false,"published_at":"2026-02-05T21:04:58+00:00","url":"https://junglewise.ai/threats/cve-2026-25586-nyariv-sandboxjs-sandbox-escape-via-prototype-whitelist-bypass"},{"cve":"CVE-2026-25520","cvss":3.1,"epss":0.008,"slug":"cve-2026-25520-nyariv-sandboxjs-sandbox-escape-to-rce","title":"nyariv sandboxjs sandbox escape to RCE","severity":"low","exploited":false,"published_at":"2026-02-05T20:41:28+00:00","url":"https://junglewise.ai/threats/cve-2026-25520-nyariv-sandboxjs-sandbox-escape-to-rce"},{"cve":"CVE-2026-25142","cvss":3.1,"epss":0.0113,"slug":"cve-2026-25142-sandboxjs-prototype-pollution-vulnerability-leading-to-sandbox","title":"SandboxJS prototype pollution vulnerability leading to sandbox escape and RCE","severity":"low","exploited":false,"published_at":"2026-02-02T20:17:39+00:00","url":"https://junglewise.ai/threats/cve-2026-25142-sandboxjs-prototype-pollution-vulnerability-leading-to-sandbox"},{"cve":"CVE-2026-23830","cvss":3.1,"epss":0.0125,"slug":"cve-2026-23830-sandboxjs-sandbox-escape-via-unprotected-asyncfunction","title":"SandboxJS sandbox escape via unprotected AsyncFunction constructor","severity":"low","exploited":false,"published_at":"2026-01-27T19:55:11+00:00","url":"https://junglewise.ai/threats/cve-2026-23830-sandboxjs-sandbox-escape-via-unprotected-asyncfunction"},{"cve":"CVE-2025-34146","cvss":4,"epss":0.002,"slug":"cve-2025-34146-nyariv-sandboxjs-prototype-pollution-and-sandbox-escape","title":"nyariv SandboxJS prototype pollution and sandbox escape","severity":"medium","exploited":false,"published_at":"2025-07-31T15:35:50+00:00","url":"https://junglewise.ai/threats/cve-2025-34146-nyariv-sandboxjs-prototype-pollution-and-sandbox-escape"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Nyariv Sandboxjs","slug":"sandboxjs","vendor":{"name":"Nyariv","slug":"nyariv","url":"https://junglewise.ai/threats/vendors/nyariv"},"aliases":[],"category":"library","description":"A lightweight JavaScript sandbox implementation for safe code execution.","url":"https://junglewise.ai/threats/technologies/sandboxjs"},"most_severe":[{"cve":"CVE-2026-43898","cvss":10,"epss":0.0063,"slug":"cve-2026-43898-nyariv-sandboxjs-sandbox-escape-via-function-caller-leakage","title":"nyariv SandboxJS sandbox escape via Function.caller leakage","severity":"critical","exploited":false,"published_at":"2026-05-28T18:16:32.837+00:00","url":"https://junglewise.ai/threats/cve-2026-43898-nyariv-sandboxjs-sandbox-escape-via-function-caller-leakage"},{"cve":"CVE-2026-34211","cvss":4,"epss":0.0049,"slug":"cve-2026-34211-sandboxjs-stack-overflow-via-deeply-nested-expressions","title":"SandboxJS stack overflow via deeply nested expressions","severity":"medium","exploited":false,"published_at":"2026-04-03T21:45:14+00:00","url":"https://junglewise.ai/threats/cve-2026-34211-sandboxjs-stack-overflow-via-deeply-nested-expressions"},{"cve":"CVE-2026-34217","cvss":4,"epss":0.0035,"slug":"cve-2026-34217-sandboxjs-sandbox-escape-via-prop-object-leak-in-new-handler","title":"SandboxJS sandbox escape via Prop object leak in new handler","severity":"medium","exploited":false,"published_at":"2026-04-03T21:45:38+00:00","url":"https://junglewise.ai/threats/cve-2026-34217-sandboxjs-sandbox-escape-via-prop-object-leak-in-new-handler"},{"cve":"CVE-2025-34146","cvss":4,"epss":0.002,"slug":"cve-2025-34146-nyariv-sandboxjs-prototype-pollution-and-sandbox-escape","title":"nyariv SandboxJS prototype pollution and sandbox escape","severity":"medium","exploited":false,"published_at":"2025-07-31T15:35:50+00:00","url":"https://junglewise.ai/threats/cve-2025-34146-nyariv-sandboxjs-prototype-pollution-and-sandbox-escape"},{"cve":"CVE-2026-32723","cvss":4,"epss":0.0012,"slug":"cve-2026-32723-sandboxjs-execution-quota-bypass-in-timers","title":"SandboxJS execution-quota bypass in timers","severity":"medium","exploited":false,"published_at":"2026-03-16T16:43:05+00:00","url":"https://junglewise.ai/threats/cve-2026-32723-sandboxjs-execution-quota-bypass-in-timers"},{"cve":"CVE-2026-23830","cvss":3.1,"epss":0.0125,"slug":"cve-2026-23830-sandboxjs-sandbox-escape-via-unprotected-asyncfunction","title":"SandboxJS sandbox escape via unprotected AsyncFunction constructor","severity":"low","exploited":false,"published_at":"2026-01-27T19:55:11+00:00","url":"https://junglewise.ai/threats/cve-2026-23830-sandboxjs-sandbox-escape-via-unprotected-asyncfunction"},{"cve":"CVE-2026-25142","cvss":3.1,"epss":0.0113,"slug":"cve-2026-25142-sandboxjs-prototype-pollution-vulnerability-leading-to-sandbox","title":"SandboxJS prototype pollution vulnerability leading to sandbox escape and RCE","severity":"low","exploited":false,"published_at":"2026-02-02T20:17:39+00:00","url":"https://junglewise.ai/threats/cve-2026-25142-sandboxjs-prototype-pollution-vulnerability-leading-to-sandbox"},{"cve":"CVE-2026-25520","cvss":3.1,"epss":0.008,"slug":"cve-2026-25520-nyariv-sandboxjs-sandbox-escape-to-rce","title":"nyariv sandboxjs sandbox escape to RCE","severity":"low","exploited":false,"published_at":"2026-02-05T20:41:28+00:00","url":"https://junglewise.ai/threats/cve-2026-25520-nyariv-sandboxjs-sandbox-escape-to-rce"},{"cve":"CVE-2026-25586","cvss":3.1,"epss":0.0066,"slug":"cve-2026-25586-nyariv-sandboxjs-sandbox-escape-via-prototype-whitelist-bypass","title":"nyariv sandboxjs sandbox escape via prototype whitelist bypass","severity":"low","exploited":false,"published_at":"2026-02-05T21:04:58+00:00","url":"https://junglewise.ai/threats/cve-2026-25586-nyariv-sandboxjs-sandbox-escape-via-prototype-whitelist-bypass"},{"cve":"CVE-2026-25881","cvss":3.1,"epss":0.0064,"slug":"cve-2026-25881-nyariv-sandboxjs-sandbox-escape-via-prototype-pollution","title":"nyariv SandboxJS sandbox escape via prototype pollution","severity":"low","exploited":false,"published_at":"2026-02-10T00:24:53+00:00","url":"https://junglewise.ai/threats/cve-2026-25881-nyariv-sandboxjs-sandbox-escape-via-prototype-pollution"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}