CVE-2026-27205 | Medium | 4.3 | 2026-02-21 | Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set th… |
CVE-2026-27199 | Medium | 5.3 | 2026-02-21 | 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… |
CVE-2026-21860 | Medium | 5.3 | 2026-01-08 | 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… |
CVE-2025-66221 | Medium | 5.3 | 2025-11-29 | 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… |
CVE-2025-47278 | | | 2025-05-13 | Flask is a web server gateway interface (WSGI) web application framework. In Flask 3.1.0, the way fallback key configuration was handled resulted in the last f… |
CVE-2025-27516 | High | 8.8 | 2025-03-05 | Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacke… |
CVE-2024-56326 | High | 7.8 | 2024-12-23 | Jinja is an extensible templating engine. Prior to 3.1.5, An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker th… |
CVE-2024-56201 | High | 8.8 | 2024-12-23 | Jinja is an extensible templating engine. In versions on the 3.x branch prior to 3.1.5, a bug in the Jinja compiler allows an attacker that controls both the c… |
CVE-2024-49767 | High | 7.5 | 2024-10-25 | Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werk… |
CVE-2024-49766 | Medium | 5.3 | 2024-10-25 | 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… |
CVE-2024-34069 | High | 7.5 | 2024-05-06 | 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… |
CVE-2024-34064 | Medium | 5.4 | 2024-05-06 | Jinja is an extensible templating engine. The `xmlattr` filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attribu… |
CVE-2024-22195 | Medium | 5.4 | 2024-01-11 | Jinja is an extensible templating engine. Special placeholders in the template allow writing code similar to Python syntax. It is possible to inject arbitrary… |
CVE-2023-46136 | High | 8.0 | 2023-10-25 | 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… |
CVE-2023-30861 | High | 7.5 | 2023-05-02 | Flask is a lightweight WSGI web application framework. When all of the following conditions are met, a response containing data intended for one client may be… |
CVE-2023-25577 | High | 7.5 | 2023-02-14 | 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… |
CVE-2023-23934 | Low | 2.6 | 2023-02-14 | Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable br… |