CVE Tools

Werkzeug

14 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Werkzeug, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.

Werkzeug CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Werkzeug CVEs per month
MonthCVEs
2024-102
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-111
2025-120
2026-011
2026-021
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 14 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical17%
  • High643%
  • Medium643%
  • Low17%

Latest CVEs

The 14 most recently published vulnerabilities affecting Werkzeug.

  1. CVE-2026-27199Werkzeug safe_join() allows Windows special device names5.3
  2. CVE-2026-21860Werkzeug safe_join() allows Windows special device names with compound extensions5.3
  3. CVE-2025-66221Werkzeug safe_join() allows Windows special device names5.3
  4. CVE-2024-49767Werkzeug possible resource exhaustion when parsing file data in forms7.5
  5. CVE-2024-49766Werkzeug safe_join not safe on Windows5.3
  6. CVE-2024-34069Werkzeug's improper usage of a pathname and improper CSRF protection results in the remote command execution7.5
  7. CVE-2023-46136Werkzeug vulnerable to high resource usage when parsing multipart/form-data containing a large part with CR/LF character at the beginning8.0
  8. CVE-2023-25577Werkzeug may allow high resource usage when parsing multipart form data with many fields7.5
  9. CVE-2023-23934Wrkzeug's incorrect parsing of nameless cookies leads to __Host- cookies bypass2.6
  10. CVE-2022-29361Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the bod...9.8
  11. CVE-2020-28724Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.6.1
  12. CVE-2019-14806Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.7.5
  13. CVE-2019-14322In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.7.5
  14. CVE-2016-10516Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 (as used in Pallets Flask and other products) allows remo...6.1

Product grouping is registry-driven, with AI assist and human review. How it works

We use analytics cookies to see which pages and articles actually help people. Decline and none of them run — the site works the same. What we store