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 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...

Important: ruby4.0

Issue Overview: Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in...

Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-1807)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1807 advisory. zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader...

Amazon Linux 2023 : ruby4.0, ruby4.0-bundled-gems, ruby4.0-default-gems (ALAS2023-2026-1806)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1806 advisory. Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause...

CVE-2026-42258

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched ...

CVE-2026-46727

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in ext/socket/raddrinfo.c allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that...

OESA-2026-2578 ruby security update

Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks such as Perl. Security Fixes: Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior ...

[SECURITY] Fedora 44 Update: rubygem-yard-0.9.40-2.fc44

YARD is a documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as custom class level definitions...

[SECURITY] Fedora 43 Update: rubygem-yard-0.9.37-5.fc43

YARD is a documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as custom class level definitions...

RLSA-2026:20606 Important: ruby4.0 security update

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks as in Perl. It is simple, straight-forward, and extensible. Security Fixes: ruby/json: Ruby JSON: Denial of Service or Informatio...

Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Tuzitio Camaleon_Cms

HTB Facts — Full Writeup Difficulty: Medium OS: Lin...

AlmaLinux 10 : ruby4.0 (ALSA-2026:20606)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:20606 advisory. ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection CVE-2026-33210 erb: ERB: Arbitrary code execution via...

RockyLinux 10 : ruby4.0 (RLSA-2026:20606)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:20606 advisory. ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection CVE-2026-33210 erb: ERB: Arbitrary code execution via...

ROS-20260603-73-0003

The vulnerability in rubygem-activestorage relates to insufficient checking of the intentions by the recipient of the broadcast message. Exploiting this vulnerability allows a perpetrator to execute arbitrary code...

MAL-2026-5149 Malicious code in align_rest_api (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis a3b4fd5fe3e581dc76f4fbe187da4427e159ff73a717a99c2f519af87ca7b2c8 The OpenSSF Package Analysis project identified 'alignrestapi' @ 99.99.99 rubygems as malicious. It is considered malicious because: - The packa...

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...

CVE-2026-34060

Ruby LSP is an implementation of the language server protocol for Ruby...