Tornadoweb Tornado
13 CVEs affecting Tornadoweb Tornado. Latest disclosed: 2026-07-14. Critical: 0, High: 8.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-49853 | High | 7.7 | 2026-07-14 | Tornado is a Python web framework and asynchronous networking library. Prior to 6.5.6, SimpleAsyncHTTPClient shallow-copied redirected requests and removed onl… |
CVE-2026-49855 | High | 7.5 | 2026-07-14 | Tornado is a Python web framework and asynchronous networking library. Prior to 6.5.6, Tornado gzip decompression routines processed limited-size chunks but di… |
CVE-2026-31958 | High | 7.5 | 2026-03-11 | Tornado is a Python web framework and asynchronous networking library. In versions of Tornado prior to 6.5.5, the only limit on the number of parts in multipar… |
CVE-2025-67726 | High | 7.5 | 2025-12-12 | Tornado is a Python web framework and asynchronous networking library. Versions 6.5.2 and below use an inefficient algorithm when parsing parameters for HTTP h… |
CVE-2025-67725 | High | 7.5 | 2025-12-12 | Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the ser… |
CVE-2025-47287 | High | 7.5 | 2025-05-15 | Tornado is a Python web framework and asynchronous networking library. When Tornado's ``multipart/form-data`` parser encounters certain errors, it logs a warni… |
CVE-2024-52804 | High | 7.5 | 2024-11-22 | Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes… |
CVE-2026-35536 | High | 7.2 | 2026-04-03 | In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were not checked… |
CVE-2014-9720 | Medium | 6.5 | 2020-01-24 | Tornado before 3.2.2 sends arbitrary responses that contain a fixed CSRF token and may be sent with HTTP compression, which makes it easier for remote attacker… |
CVE-2023-28370 | Medium | 6.1 | 2023-05-25 | Open redirect vulnerability in Tornado versions 6.3.1 and earlier allows a remote unauthenticated attacker to redirect a user to an arbitrary web site and cond… |
CVE-2025-67724 | Medium | 5.4 | 2025-12-12 | Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP header… |
CVE-2026-49854 | Medium | 5.3 | 2026-07-14 | Tornado is a Python web framework and asynchronous networking library. Prior to 6.5.6, the optional native extension tornado.speedups implemented websocket_mas… |
CVE-2012-2374 | | 2012-05-23 | CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP hea… |