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CVE-2026-12866

🗓️ 23 Jun 2026 05:00:00Reported by snykType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

All versions of expr-eval are vulnerable to code execution via toJSFunction, enabling arbitrary JavaScript.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-12866
23 Jun 202605:00
attackerkb
Cvelist
CVE-2026-12866
23 Jun 202605:00
cvelist
NVD
CVE-2026-12866
23 Jun 202605:17
nvd
Snyk
Code Execution
20 Jan 202608:02
snyk
[
  {
    "product": "expr-eval",
    "versions": [
      {
        "version": "0",
        "lessThan": "*",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "vendor": "n/a"
  }
]

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23 Jun 2026 05:17Current
6.3Medium risk
Vulners AI Score6.3
CVSS 49.2
CVSS 3.19.8
4