werkzeug
PyPI15 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting werkzeugpage 1 of 1
- CVE-2016-10516MEDIUMCVSS 6.1EG 6.1fixed in 0.11.112017-10-23
vulnerable: 0.1 ... 0.9.6 (41 versions)
Cross-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 remote attackers to inject arbitrary web scrip…
- CVE-2019-14322HIGHCVSS 7.5EG 8.2fixed in 0.15.52019-07-28
vulnerable: 0.1 ... 0.9.6 (57 versions)
In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.
- CVE-2019-14806HIGHCVSS 7.5EG 7.5fixed in 0.15.32019-08-09
vulnerable: 0.1 ... 0.15.2 (55 versions)
Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
- CVE-2020-28724MEDIUMCVSS 6.1EG 6.1fixed in 0.11.62020-11-18
vulnerable: 0.1 ... 0.11.5 (36 versions)
Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.
- CVE-2022-29361CRITICALCVSS 9.8EG 9.8fixed in 2.1.12022-05-25
vulnerable: 0.1 ... 2.1.0 (74 versions)
Improper 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 body. NOTE: the vendor's position is that thi…
- CVE-2023-23934LOWCVSS 2.6EG 2.6fixed in 2.2.32023-02-14
vulnerable: 0.1 ... 2.2.2 (80 versions)
Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit th…
- CVE-2023-25577HIGHCVSS 7.5EG 7.5fixed in 2.2.32023-02-14
vulnerable: 0.1 ... 2.2.2 (80 versions)
Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. Parts can be a small amount of bytes, but each requires …
- CVE-2023-46136HIGHCVSS 7.5EG 7.5fixed in 3.0.1 or 2.3.8, by version range2023-10-25
vulnerable: 0.1 ... 3.0.0 (90 versions)
Werkzeug is a comprehensive WSGI web application library. In versions on the 3.x branch prior to 3.0.1 and on the 2.x branch prior to 2.3.8, if an upload of a file that starts with CR or LF and then is followed by megabytes of data without…
- CVE-2024-34069HIGHCVSS 7.5EG 7.5fixed in 3.0.32024-05-06
vulnerable: 0.1 ... 3.0.2 (93 versions)
Werkzeug is a comprehensive WSGI web application library. The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the develope…
- CVE-2024-49766MEDIUMCVSS 5.3EG 5.3fixed in 3.0.62024-10-25
vulnerable: 0.1 ... 3.0.5 (96 versions)
Werkzeug is a Web Server Gateway Interface web application library. On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is n…
- CVE-2024-49767HIGHCVSS 7.5EG 7.5fixed in 3.0.62024-10-25
vulnerable: 2.0.0 ... 3.0.5 (32 versions)
Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` requests (e.g. all flask appl…
- CVE-2025-66221MEDIUMCVSS 5.3EG 5.3fixed in 3.1.42025-11-29
vulnerable: 0.1 ... 3.1.3 (101 versions)
Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are impli…
- CVE-2026-102598MEDIUMCVSS 6.3EG 6.3fixed in 3.1.92026-09-29
vulnerable: 0.1 ... 3.1.8 (106 versions)
Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safe_join function used by send_from_directory can allow a NUL: special-device path because safe_join checks the Windows device name without first removing an em…
- CVE-2026-21860MEDIUMCVSS 5.3EG 5.3fixed in 3.1.52026-01-08
vulnerable: 0.1 ... 3.1.4 (102 versions)
Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safe_join function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special devi…
- CVE-2026-27199MEDIUMCVSS 5.3EG 5.3fixed in 3.1.62026-02-21
vulnerable: 0.1 ... 3.1.5 (103 versions)
Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safe_join function allows Windows device names as filenames if preceded by other path segments. This was previously reported as GHSA-hgf8-39gv-g3f2, bu…
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