pallets werkzeug

10 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2026-102598< 3.1.9Werkzeug safe_join() allows Windows special device namesMEDIUM 6.30.4 %
CVE-2026-27199< 3.1.6Werkzeug safe_join() allows Windows special device namesMEDIUM 6.30.6 %
CVE-2026-21860< 3.1.5Werkzeug safe_join() allows Windows special device names with compound extensionsMEDIUM 6.30.5 %
CVE-2025-66221< 3.1.4Werkzeug safe_join() allows Windows special device namesMEDIUM 6.30.5 %
CVE-2024-49767>= 2.0.0rc1, < 3.0.6Werkzeug possible resource exhaustion when parsing file data in formsMEDIUM 6.91.1 %
CVE-2024-49766< 3.0.6Werkzeug safe_join not safe on WindowsMEDIUM 6.30.8 %
CVE-2024-34069< 3.0.3Werkzeug's improper usage of a pathname and improper CSRF protection results in the remote command executionHIGH 7.53.4 %
CVE-2023-46136>= 3.0.0, < 3.0.1 ; >= 2.0.0rc1, < 2.3.8Werkzeug vulnerable to high resource usage when parsing multipart/form-data containing a large part with CR/LF character at the beginningHIGH 8.01.3 %
CVE-2023-25577< 2.2.3Werkzeug may allow high resource usage when parsing multipart form data with many fieldsHIGH 7.51.4 %
CVE-2023-23934< 2.2.3Wrkzeug's incorrect parsing of nameless cookies leads to __Host- cookies bypassLOW 3.50.5 %