CVE-2026-44307
Mako: Path traversal via backslash URI on Windows in TemplateLookup
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Mako is a template library written in Python. Prior to 1.3.12, on Windows, a URI using backslash traversal (e.g. \..\..\ secret.txt) bypasses the directory traversal check in Template.__init__ and the posixpath-based normalization in TemplateLookup.get_template(), allowing reads of files outside the configured template directory. This vulnerability is fixed in 1.3.12.
| CWE | CWE-22 |
| Vendor | sqlalchemy |
| Product | mako |
| Published | May 12, 2026 |
| Last Updated | May 13, 2026 |
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Affected Versions
sqlalchemy / mako
< 1.3.12
References
github.com: https://github.com/sqlalchemy/mako/security/advisories/GHSA-2h4p-vjrc-8xpq github.com: https://github.com/sqlalchemy/mako/issues/435 github.com: https://github.com/sqlalchemy/mako/commit/72e10c573ca0fbcbddd4455abca8ce92a61780d7 github.com: https://github.com/sqlalchemy/mako/releases/tag/rel_1_3_12