Medium severity6.5NVD Advisory· Published Oct 22, 2026· Updated Oct 22, 2026
CVE-2026-115354
CVE-2026-115354
Description
Mistune before 3.3.0 contains a path traversal vulnerability in the opt-in Include directive that allows attackers to read local files by supplying relative or absolute include paths. Attackers who submit Markdown rendered via Markdown.read() can disclose files such as /etc/passwd and inject unescaped HTML or script content into rendered output.
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Affected products
1Patches
Vulnerability mechanics
References
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