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CVE-2026-12866

🗓️ 23 Jun 2026 05:00:00Reported by snykType 
cve
 cve
🔗 web.nvd.nist.gov👁 82 Views

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

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-12866
23 Jun 202605:00
–attackerkb
circl
Circl
CVE-2026-12866
23 Jun 202606:00
–circl
cvelist
Cvelist
CVE-2026-12866
23 Jun 202605:00
–cvelist
euvd
EUVD
EUVD-2026-38415
23 Jun 202605:00
–euvd
github
Github Security Blog
expr-eval vulnerable to Code Execution
23 Jun 202606:30
–github
nvd
NVD
CVE-2026-12866
23 Jun 202605:17
–nvd
osv
OSV
GHSA-Q9V2-7M5W-4693 expr-eval vulnerable to Code Execution
23 Jun 202606:30
–osv
osv
OSV
MINI-82JP-6MPF-372Q
23 Sep 202615:55
–osv
osv
OSV
MINI-8J87-6R7X-PW3P
23 Sep 202615:44
–osv
osv
OSV
MINI-CRGW-QRC7-VGC9
23 Sep 202615:56
–osv
Rows per page
[
  {
    "product": "expr-eval",
    "versions": [
      {
        "version": "0",
        "lessThan": "*",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "vendor": "n/a"
  },
  {
    "product": "org.webjars.npm:expr-eval",
    "versions": [
      {
        "version": "0",
        "lessThan": "*",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "vendor": "n/a"
  }
]

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14 Aug 2026 15:25Current
6.6Medium risk
Vulners AI Score6.6
CVSS 49.2
CVSS 3.19.8
EPSS0.00866
SSVC
82