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CVE-2026-41205— Mako: Path traversal via double-slash URI prefix in TemplateLookup

AI Predicted 7.5 Difficulty: Easy EPSS 0.36% · P29

Possible ATT&CK Techniques 1AI

T1552 · Unsecured Credentials

Affected Version Matrix 1

VendorProductVersion RangeStatus
sqlalchemymako< 1.3.11affected
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I. Basic Information for CVE-2026-41205

Vulnerability Information
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Vulnerability Title
Mako: Path traversal via double-slash URI prefix in TemplateLookup
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
mako 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mako是SQLAlchemy开源的一个用 Python 编写的模板库。提供了一种熟悉的非 XML 语法，可编译成 Python 模块以获得最佳性能。 mako 1.3.11之前版本存在路径遍历漏洞，该漏洞源于TemplateLookup.get_template容易受到路径遍历攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
sqlalchemymako < 1.3.11 -

II. Public POCs for CVE-2026-41205

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III. Intelligence Information for CVE-2026-41205

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Patches & Fixes for CVE-2026-41205 (2)

Vendor Advisories for CVE-2026-41205 (1)

IV. Related Vulnerabilities

Same product: mako
Same vendor: sqlalchemy
Same weakness: CWE-22

V. Comments for CVE-2026-41205

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