{"id":"CVE-2023-26121","aliases":["EUVD-2023-1322","GHSA-hcg3-56jf-x4vh"],"status":"published","title":"safe-eval vulnerable to Prototype Pollution via the safeEval function","description":"All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01111,"percentile":0.66363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2023-04-11T05:00:01Z","modified":"2026-10-28T02:31:14Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"safe-eval","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.4.2"}]}]},{"source":"osv","ecosystem":"npm","package":"safe-eval","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.4.2"}]}]}],"products":[{"vendor":"safe-eval_project","product":"safe-eval"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373062","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://gist.github.com/seongil-wi/9d9fc0cc5b7b130419cd45827e59c4f9","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/hacksparrow/safe-eval/issues/28","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26121","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hcg3-56jf-x4vh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26121.json","tags":["advisory"]},{"url":"https://github.com/hacksparrow/safe-eval","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-26121","description":"All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter 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