{"schema_version":1,"title":"Silentmatt Expr-Eval vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Silentmatt Expr-Eval: 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-2026-12866, was published on 23 June 2026.","url":"https://junglewise.ai/threats/technologies/expr-eval","json_url":"https://junglewise.ai/threats/technologies/expr-eval.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/expr-eval","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":3},"latest":[{"cve":"CVE-2026-12866","cvss":9.8,"epss":0.0087,"slug":"cve-2026-12866-silentmatt-expr-eval-code-execution-in-tojsfunction-api","title":"silentmatt expr-eval code execution in toJSFunction API","severity":"critical","exploited":false,"published_at":"2026-06-23T05:17:03.38+00:00","url":"https://junglewise.ai/threats/cve-2026-12866-silentmatt-expr-eval-code-execution-in-tojsfunction-api"},{"cve":"CVE-2025-13204","cvss":3.1,"epss":0.0045,"slug":"cve-2025-13204-expr-eval-prototype-pollution","title":"expr-eval prototype pollution","severity":"low","exploited":false,"published_at":"2025-11-14T18:31:39+00:00","url":"https://junglewise.ai/threats/cve-2025-13204-expr-eval-prototype-pollution"},{"cve":"CVE-2025-12735","cvss":4,"epss":0.0225,"slug":"cve-2025-12735-expr-eval-arbitrary-code-execution-via-unvalidated-function","title":"expr-eval arbitrary code execution via unvalidated function argument","severity":"medium","exploited":false,"published_at":"2025-11-05T03:30:23+00:00","url":"https://junglewise.ai/threats/cve-2025-12735-expr-eval-arbitrary-code-execution-via-unvalidated-function"}],"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":"Silentmatt Expr-Eval","slug":"expr-eval","vendor":{"name":"Silentmatt","slug":"silentmatt","url":"https://junglewise.ai/threats/vendors/silentmatt"},"aliases":[],"category":"library","homepage":"https://github.com/silentmatt/expr-eval","repo_url":"https://github.com/silentmatt/expr-eval","description":"expr-eval is a mathematical expression evaluator library for JavaScript.","url":"https://junglewise.ai/threats/technologies/expr-eval"},"most_severe":[{"cve":"CVE-2026-12866","cvss":9.8,"epss":0.0087,"slug":"cve-2026-12866-silentmatt-expr-eval-code-execution-in-tojsfunction-api","title":"silentmatt expr-eval code execution in toJSFunction API","severity":"critical","exploited":false,"published_at":"2026-06-23T05:17:03.38+00:00","url":"https://junglewise.ai/threats/cve-2026-12866-silentmatt-expr-eval-code-execution-in-tojsfunction-api"},{"cve":"CVE-2025-12735","cvss":4,"epss":0.0225,"slug":"cve-2025-12735-expr-eval-arbitrary-code-execution-via-unvalidated-function","title":"expr-eval arbitrary code execution via unvalidated function argument","severity":"medium","exploited":false,"published_at":"2025-11-05T03:30:23+00:00","url":"https://junglewise.ai/threats/cve-2025-12735-expr-eval-arbitrary-code-execution-via-unvalidated-function"},{"cve":"CVE-2025-13204","cvss":3.1,"epss":0.0045,"slug":"cve-2025-13204-expr-eval-prototype-pollution","title":"expr-eval prototype pollution","severity":"low","exploited":false,"published_at":"2025-11-14T18:31:39+00:00","url":"https://junglewise.ai/threats/cve-2025-13204-expr-eval-prototype-pollution"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}