This page lists publicly disclosed CVE vulnerabilities affecting sinatrarb sinatra (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| 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 | 0.52% | 2025-10-10 | 2025-10-31 |
| 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 | 0.36% | 2022-11-28 | 2025-11-04 |
| 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 | 0.60% | 2022-05-02 | 2025-11-04 |
| 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 | 0.40% | 2018-05-31 | 2024-11-21 |
| 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 | 0.21% | 2018-02-18 | 2024-11-21 |