sinatra (RubyGems) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the RubyGems package sinatra, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (6)

• CVE-2022-45442 — CVSS 8.8 (high): 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…
• CVE-2022-29970 — CVSS 7.5 (high): Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.
• CVE-2025-61921 — CVSS 7.5 (high): 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…
• CVE-2018-11627 — CVSS 6.1 (medium): Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.
• CVE-2024-21510 — CVSS 5.4 (medium): Versions of the package sinatra from 0.0.0 are vulnerable to Reliance on Untrusted Inputs in a Security Decision via the X-Forwarded-Host…
• CVE-2018-7212 — CVSS 5.3 (medium): 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…