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TI-2019-10671 Aliases CVE-2019-14322GHSA-j544-7q9p-6xp8

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

Priority HIGH 66CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

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

Why it matters now

EPSS 0.55803 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed werkzeug (PyPI): 0.15.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—werkzeug (PyPI)before 0.15.50.15.5Patch availableGHSA-j544-7q9p-6xp8
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • werkzeug (PyPI) Vendor— Affected before 0.15.5 Fixed in 0.15.5 Patch available GHSA-j544-7q9p-6xp8

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:palletsprojects:werkzeug:*:*:*:*:*:*:*:*before 0.15.5Vulnerablepallets
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:palletsprojects:werkzeug:*:*:*:*:*:*:*:* Versions before 0.15.5 Vulnerable ·pallets
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · GHSA-j544-7q9p-6xp8 werkzeug (PyPI) Fixed in 0.15.5 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-14322
  2. 2026-10-03 Alias added: GHSA-j544-7q9p-6xp8

References

  • TI-2022-11856 Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers… CVSS 3.1CRITICAL 9.8
  • TI-2023-10880 Werkzeug may allow high resource usage when parsing multipart form data with many fields CVSS 3.1HIGH 7.5
  • TI-2024-22527 Werkzeug's improper usage of a pathname and improper CSRF protection results in the remote command execution CVSS 3.1HIGH 7.5
  • TI-2024-33234 Werkzeug possible resource exhaustion when parsing file data in forms CVSS 4.0MEDIUM 6.9
  • TI-2023-24778 Uncontrolled resource consumption in pallets werkzeug CVSS 3.1HIGH 8.0
  • TI-2019-11011 Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN… CVSS 3.1HIGH 7.5
See all 13 →

Sources