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Affected Vendors & Products
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Solution
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Workaround
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Wed, 30 Sep 2026 20:30:00 +0000
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ssvc
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Wed, 30 Sep 2026 20:00:00 +0000
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| Description | Mako is a template library written in Python. Prior to 1.4.2, on Windows, TemplateLookup.get_template() in mako/lookup.py resolves template URIs with posixpath, while Template.__init__() in mako/template.py validates them with os.path, which uses ntpath. A URI beginning with a drive designator causes ntpath to absorb the traversal segments before the leading dot-dot check, while posixpath resolution can escape the configured template directory. An application that passes attacker-controlled template names or include paths can disclose process-readable files on the same volume, and a targeted file containing Mako template syntax may also be parsed and executed as a template. Raw URL paths are generally normalized before reaching this form, but query strings, form or JSON bodies, route parameters, and dynamic include expressions can preserve it. This issue is fixed in version 1.4.2. | |
| Title | Mako: Path traversal via drive-letter URI on Windows in TemplateLookup | |
| Weaknesses | CWE-22 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-30T19:54:41.077Z
Reserved: 2026-09-29T20:46:08.334Z
Link: CVE-2026-102991
Updated: 2026-09-30T19:54:36.683Z
Status : Deferred
Published: 2026-09-30T20:17:26.547
Modified: 2026-09-30T20:17:26.973
Link: CVE-2026-102991
No data.
OpenCVE Enrichment
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