本ページは sinatrarb sinatra に影響する公開済み CVE（NVD の CPE 経由で関連付け）を列挙します。各行に深刻度指標・概要・公開日が含まれます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2025-61921 | Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the `If-Match` and `If-None-Match` header parsing component of Sinatra, if the `etag` method is used when constructing the response. Carefully crafted input can cause `If-Match` and `If-None-Match` header parsing in Sinatra to take an unexpected amount of time, possibly resulting in a denial of service attack vector. This header is typically invol | [email protected] | 2.7 | 0.46% | 2025-10-10 | 2026-06-17 |
| CVE-2022-45442 | Sinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue. | [email protected] | 8.8 | 0.64% | 2022-11-28 | 2026-06-17 |
| CVE-2022-29970 | Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files. | [email protected] | 7.5 | 2.06% | 2022-05-02 | 2026-06-17 |
| CVE-2018-11627 | Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception. | [email protected] | 6.1 | 2.21% | 2018-05-31 | 2026-06-16 |
| CVE-2018-7212 | An issue was discovered in rack-protection/lib/rack/protection/path_traversal.rb in Sinatra 2.x before 2.0.1 on Windows. Path traversal is possible via backslash characters. | [email protected] | 5.3 | 1.90% | 2018-02-18 | 2026-06-16 |