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CVE-2026-59927 Mistune directives/include: mutual `.. include::` recursion crashes the renderer with `RecursionError`, denial of service via two attacker-controlled markdown files

🗓️ 08 Jul 2026 16:24:37Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

CVE-2026-59927: Mistune include directive permits mutual file recursion causing renderer crash; fixed in 3.3.0.

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Affected
Refs
[
  {
    "vendor": "lepture",
    "product": "mistune",
    "versions": [
      {
        "version": "< 3.3.0",
        "status": "affected"
      }
    ]
  }
]

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