CVE-2026-115354 — Mistune before 3.3.0 Arbitrary Local File Read via Include Directive
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 …
Published: 2026-10-22 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7