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CVE-2026-71438 Mermaid configuration APIs allow prototype pollution

🗓️ 06 Aug 2026 19:59:07Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Mermaid config APIs are vulnerable to prototype pollution from untrusted data before 10.9.8 and 11.16.1.

Related
Affected
Refs
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7 Aug 202600:00
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github
Github Security Blog
Mermaid configuration APIs allow prototype pollution
6 Aug 202619:59
github
Rows per page
[
  {
    "vendor": "mermaid-js",
    "product": "mermaid",
    "versions": [
      {
        "version": "< 10.9.8",
        "status": "affected"
      },
      {
        "version": ">= 11.0.0-alpha.1, < 11.16.1",
        "status": "affected"
      }
    ]
  }
]

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