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CVE Vulnerability Details :
CVE-2026-44307
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 21:53
Updated At-13 May, 2026 | 15:00
Rejected At-
▼CVE Numbering Authority (CNA)
Mako: Path traversal via backslash URI on Windows in TemplateLookup

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.

Affected Products
Vendor
sqlalchemy
Product
mako
Versions
Affected
  • < 1.3.12
Problem Types
TypeCWE IDDescription
CWECWE-22CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Type: CWE
CWE ID: CWE-22
Description: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
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
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/sqlalchemy/mako/security/advisories/GHSA-2h4p-vjrc-8xpq
x_refsource_CONFIRM
https://github.com/sqlalchemy/mako/issues/435
x_refsource_MISC
https://github.com/sqlalchemy/mako/commit/72e10c573ca0fbcbddd4455abca8ce92a61780d7
x_refsource_MISC
https://github.com/sqlalchemy/mako/releases/tag/rel_1_3_12
x_refsource_MISC
Hyperlink: https://github.com/sqlalchemy/mako/security/advisories/GHSA-2h4p-vjrc-8xpq
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/sqlalchemy/mako/issues/435
Resource:
x_refsource_MISC
Hyperlink: https://github.com/sqlalchemy/mako/commit/72e10c573ca0fbcbddd4455abca8ce92a61780d7
Resource:
x_refsource_MISC
Hyperlink: https://github.com/sqlalchemy/mako/releases/tag/rel_1_3_12
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found