# CVE-2026-41205

> Vulnerability · severity: **HIGH** (CVSS 7.5).

## Description

Mako is a template library written in Python. Prior to 1.3.11, TemplateLookup.get_template() 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 returned as rendered template content when an application passes untrusted input directly to TemplateLookup.get_template(). This vulnerability is fixed in 1.3.11.

## Key facts

- **CVE ID:** CVE-2026-41205
- **Published:** 2026-04-23
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-22

## Affected products

- `sqlalchemy:mako`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41205

## Citation

> AI Analytics. CVE-2026-41205. Retrieved 2026-07-17 from https://api.ai-analytics.org/cve/CVE-2026-41205. Derived from NIST NVD. Licensed CC0.

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