PYSEC-2026-1065

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/werkzeug/PYSEC-2026-1065.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-1065
Aliases
Published
2026-07-06T08:03:28Z
Modified
2026-07-07T11:45:36Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Pallets Werkzeug vulnerable to Path Traversal
Details

In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.

References

Affected packages

PyPI / werkzeug

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.15.5

Affected versions

0.*
0.1
0.2
0.3
0.3.1
0.4
0.4.1
0.5
0.5.1
0.6
0.6.1
0.6.2
0.7
0.7.1
0.7.2
0.8
0.8.1
0.8.2
0.8.3
0.9
0.9.1
0.9.2
0.9.3
0.9.4
0.9.5
0.9.6
0.10
0.10.1
0.10.2
0.10.3
0.10.4
0.11
0.11.1
0.11.2
0.11.3
0.11.4
0.11.5
0.11.6
0.11.7
0.11.8
0.11.9
0.11.10
0.11.11
0.11.12
0.11.13
0.11.14
0.11.15
0.12
0.12.1
0.12.2
0.13
0.14
0.14.1
0.15.0
0.15.1
0.15.2
0.15.3
0.15.4

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/werkzeug/PYSEC-2026-1065.yaml"