PT-2026-121535 · Lepture · Mistune

Sergeykochanov

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CVE-2026-115355

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Published

2026-10-22

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Updated

2026-10-22

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Mistune before 3.3.0 contains a path traversal vulnerability in the Include directive that allows attackers to read arbitrary files by supplying ../ sequences in include paths. Attackers can also inject HTML through unescaped error messages and included file contents to perform cross-site scripting even when escape=True is set.

Fix

Path traversal

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Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-115355

Affected Products

Mistune