CVE-2026-115355Mistune before 3.3.0 Path Traversal and XSS via Include Directive

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• GitHub Security Advisory (GHSA-h7ww-273w-6cm8) vendor-advisory
• VulnCheck Advisory: Mistune before 3.3.0 Path Traversal and XSS via Include Directive third-party-advisory