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CVE-2026-115355GHSA-H7WW-273W-6CM8

Mistune before 3.3.0 Path Traversal and XSS via Include Directive

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.3.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  4. Record last updated

Affected versions

  • lepture mistune

    fixed in 3.3.0

  • mistunePyPI

    fixed in 3.3.0

References 2

GitHub · lepture/mistune

vulncheck.com