Improper Validation of Specified Type of Input Affecting yara-mail package, versions [,3.3.0)
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Test your applications- Snyk IDSNYK-PYTHON-YARAMAIL-14861161
- published5 Jan 2026
- disclosed1 Jan 2026
- creditUnknown
Introduced: 1 Jan 2026
CVE NOT AVAILABLE CWE-1287 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade yara-mail to version 3.3.0 or higher.
Overview
yara-mail is an A Python package and command line utility for scanning emails with YARA rules
Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input due to the automatic treatment of string input as a filesystem path in the mailsuite.utils.parse_email() and mailsuite.utils.from_trusted_domain() functions. An attacker can read arbitrary files by crafting messages that are interpreted as potential file paths.