CVE-2026-115353
Mistune before 3.3.0 Path Traversal via include Directive
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
Mistune before 3.3.0 contains a path traversal vulnerability in the RST include directive that allows attackers to read arbitrary files by supplying relative or absolute paths. Attackers can submit markdown containing include directives referencing ../ sequences or absolute paths to embed sensitive files like credentials or environment data in rendered HTML.
| CWE | CWE-22 |
| Vendor | lepture |
| Product | mistune |
| Published | Oct 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
lepture / mistune
0 < 3.3.0
References
Credits
🔍 offset