CVE-2026-41205: Improper Limitation of a Pathname to a Restricted Directory

Mako is a template library written in Python. Prior to 1.3.11, TemplateLookup.gettemplate is vulnerable to path traversal when a URI starts with // e.g., //../../../secret.txt. The root cause is an inconsistency between two slash-stripping implementations. Any file readable by the process can be...