Ruby Dragonfly <1.4.0 - Remote Code Execution

Ruby Dragonfly before 1.4.0 contains an argument injection vulnerability that allows remote attackers to read and write to arbitrary files via a crafted URL when the verifyurl option is disabled. This may lead to code execution. The problem occurs because the generate and process features mishand...

Ruby on Rails - Open Redirect via Host Header Injection

Ruby on Rails action pack before 6.1.2.1, 6.0.3.5 contains an open redirect caused by special crafted Host headers in combination with allowed host formats, letting attackers redirect users to malicious websites, exploit requires attacker to control Host headers. id: CVE-2021-22881 info: name: Ru...

Ruby On Rails - Local File Inclusion

Ruby On Rails is vulnerable to local file inclusion caused by secondary decoding in Sprockets 3.7.1 and lower versions. An attacker can use %252e%252e/ to access the root directory and read or execute any file on the target server. id: CVE-2018-3760 info: name: Ruby On Rails - Local File Inclusio...

Ruby on Rails Web Console - Remote Code Execution

Ruby on Rails Web Console before 2.1.3, as used with Ruby on Rails 3.x and 4.x, does not properly restrict the use of X-Forwarded-For headers in determining a client's IP address, which allows remote attackers to bypass the whitelistedips protection mechanism via a crafted request to request.rb...

Camaleon CMS < 2.8.1 Arbitrary File Write to RCE

An arbitrary file write vulnerability accessible via the upload method of the MediaController allows authenticated users to write arbitrary files to any location on the web server Camaleon CMS is running on depending on the permissions of the underlying filesystem. E.g. This can lead to a remote...

ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection

A flaw was found in Ruby JSON. This vulnerability, a format string injection, allows a remote attacker to cause a denial of service DoS or disclose sensitive information. The flaw occurs when processing specially crafted user-supplied documents with the allowduplicatekey: false parsing option...

A Bootiful Podcast: JRuby lead Charles Nutter

In this episode, we sit down with the lead of the JRuby project for a fascinating look at how Ruby and the JVM came together, how JRuby became a production-ready powerhouse, and why it still matters today. We dig into threading, performance, Invoke Dynamic, Project Loom, Panama, Valhalla, and the...

CVE-2026-59825

When LDAP auth uses LDAP_TLS_NO_VERIFY=true, app/models/concerns/user/ldap_authenticable.rb mutates OpenSSL::SSL::SSLContext::DEFAULT_PARAMS, disabling SSL/TLS verification globally for puma web processes. This enables MITM attacks against all puma-originated HTTPS requests. Fixed in Mastodon 4.4...

PT-2026-77143

Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.4.19 Mastodon versions 4.5.0 through 4.5.11 Description When LDAP authentication is configured with LDAP TLS NO VERIFY=true, the file app/models/concerns/user/ldap authenticable.rb mutates...

CVE-2026-69185 vulnerabilities

Vulnerabilities for packages: gitlab-rails-ce-fips, gitlab-rails-ce...

CVE-2026-61666 websocket-driver: Denial of service via malformed Host header

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666 websocket-driver: Denial of service via malformed Host header

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666 websocket-driver: Denial of service via malformed Host header

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666

CVE-2026-61666 affects the Ruby gem websocket-driver (a WebSocket protocol handler with pluggable I/O). In versions prior to 0.8.2 , WebSocket::Driver.server() passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError. A remote client can e...

vim: Vim: Arbitrary code execution via crafted step-definition patterns

A flaw was found in Vim, a command-line text editor. This vulnerability, identified as a code injection, affects the cucumber filetype plugin when Vim is configured with Ruby support. An attacker could exploit this by creating a malicious repository containing specially crafted step-definition...

SUSE CVE-2026-71847

Ruby JSON is a JSON implementation for Ruby. From 2.20.0 until 2.21.2, Ruby's JSON native C extension clears the consumed JSON::ResumableParser input buffer but leaves state.start, state.cursor, and state.end pointing into released storage. When partialvalue reconstructs an incomplete object...

CVE-2026-73648 vulnerabilities

Vulnerabilities for packages: pghero-fips, ruby4.0-rails, pghero, ruby3.2-rails, ruby3.4-rails, ruby3.3-rails...

CVE-2026-73648 vulnerabilities

Vulnerabilities for packages: ruby3.4-rails, ruby4.0-rails, ruby3.2-rails...

CVE-2026-53970

ZeroBrew version 0.3.1 and prior contains a missing integrity verification vulnerability in the Ruby compatibility shim that allows network attackers to execute arbitrary code by substituting malicious content at formula resource or URL-based patch URLs without checksum validation. Attackers can...