Package impact

ruby RubyGems / rack

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CVE Severity CVSS Risk Flags OS Vendor Published Description
CVE-2026-34835 medium 5.5 2mo ago Rack::Request accepts invalid Host characters, enabling host allowlist bypass
CVE-2026-26961 medium 5.5 2mo ago Rack's greedy multipart boundary parsing can cause parser differentials and WAF bypass.
CVE-2026-34831 medium 5.5 2mo ago Rack has Content-Length mismatch in Rack::Files error responses
CVE-2026-34830 medium 5.5 2mo ago Rack::Sendfile header-based X-Accel-Mapping regex injection enables unauthorized X-Accel-Redirect
CVE-2026-34826 medium 5.5 2mo ago Rack's multipart byte range processing allows denial of service via excessive overlapping ranges
CVE-2026-34786 medium 5.5 2mo ago Rack:: Static header_rules bypass via URL-encoded paths
CVE-2026-34763 medium 5.5 2mo ago Rack has a root directory disclosure via unescaped regex interpolation in Rack::Directory
CVE-2026-32762 medium 5.5 2mo ago Rack: Forwarded Header semicolon injection enables Host and Scheme spoofing
CVE-2026-26962 medium 5.5 2mo ago Rack's improper unfolding of folded multipart headers preserves CRLF in parsed parameter values
CVE-2025-25184 medium 5.5 1y ago Rack provides an interface for developing web applications in Ruby. Prior to versions 2.2.11, 3.0.12, and 3.1.10, Rack::CommonLogger can be exploited by crafting input that includes newline character…
CVE-2024-26146 medium 5.5 2y ago RHSA-2024:2953: pcs security update (Moderate)
CVE-2024-25126 medium 5.5 2y ago RHSA-2024:2953: pcs security update (Moderate)
CVE-2024-26141 medium 5.5 2y ago RHSA-2024:2953: pcs security update (Moderate)
CVE-2023-27539 medium 5.5 3y ago RHSA-2023:3082: pcs security and bug fix update (Moderate)
CVE-2023-27530 medium 5.5 3y ago RHSA-2023:3082: pcs security and bug fix update (Moderate)
CVE-2013-0263 medium 5.1 14y ago Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privile…
CVE-2015-3225 medium 5.0 11y ago lib/rack/utils.rb in Rack before 1.5.4 and 1.6.x before 1.6.2, as used with Ruby on Rails 3.x and 4.x and other products, allows remote attackers to cause a denial of service (SystemStackError) via a…
CVE-2013-0183 medium 5.0 14y ago multipart/parser.rb in Rack 1.3.x before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (memory consumption and out-of-memory error) via a long string in a Multipar…
CVE-2011-5036 medium 5.0 15y ago Rack Gem Subject to Denial of Service via Hash Collisions
CVE-2013-0262 medium 4.3 14y ago rack/file.rb (Rack::File) in Rack 1.5.x before 1.5.2 and 1.4.x before 1.4.5 allows attackers to access arbitrary files outside the intended root directory via a crafted PATH_INFO environment variable…
CVE-2013-0184 medium 4.3 14y ago Unspecified vulnerability in Rack::Auth::AbstractRequest in Rack 1.1.x before 1.1.5, 1.2.x before 1.2.7, 1.3.x before 1.3.9, and 1.4.x before 1.4.4 allows remote attackers to cause a denial of servic…
CVE-2012-6109 medium 4.3 14y ago lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of ser…