Astra Linux – Vulnerability in Ruby-Nokogiri

Nokogiri is a Rubygem that provides HTML, XML, SAX, and Reader parsers, with support for XPath and CSS selectors. In Nokogiri versions prior to 1.11.0.rc4, there was an XXE vulnerability. XML schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accesse...

Astra Linux – Vulnerability in Ruby 2.5

In Ruby, the CGI::Cookie.parse method used from version 2.6.8 mishandles security prefixes in cookie names. This issue also affects the CGI gem used from version 0.3.0 in Ruby...

Astra Linux – Vulnerability in yajl

In the yajl-ruby gem version 1.3.0 for Ruby, when a properly crafted JSON file is provided to Yajl::Parser.new.parse, the entire Ruby process crashes with a SIGABRT in the yajlstringdecode function in yajlencode.c. This causes the entire Ruby process to terminate, potentially leading to a denial ...

Linux Distros Unpatched Vulnerability : CVE-2026-42256

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0...

OESA-2026-2285 rubygem-yard security update

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...

EUVD-2026-30330

cssparser is a Ruby CSS parser. Prior to 2.1.0 and 1.22.0, the CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning...

Malicious Package

Overview knot-rspec-formatter-json is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-rails-assets-pipeline is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-activesupport-logger is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-devise-jwt-helper is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious Package

Overview knot-simple-formatter is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

ROS-20260513-73-0001

Vulnerability in rubygem-rack related to errors in processing input length parameters. Exploitation of the vulnerability could allow a remote attacker to cause a denial of service...

Unity Linux 20.1060e / 20.1070e Security Update: rubygem-puma (UTSA-2026-017512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017512 advisory. In Puma RubyGem before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in addressable-2.5.2.gem

Summary IBM Watson Discovery Cartridge affected by vulnerability in addressable-2.5.2.gem Vulnerability Details CVEID:CVE-2026-35611 DESCRIPTION: Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. From 2.3.0 to before 2.9.0, within the...

OPENSUSE-SU-2026:10604-1 ruby4.0-rubygem-rack-session-2.1.2-1.1 on GA media

These are all security issues fixed in the ruby4.0-rubygem-rack-session-2.1.2-1.1 package on the GA media of openSUSE Tumbleweed...

Important Photon OS Security Update - PHSA-2026-5.0-0816

Updates of 'python3-PyJWT', 'rubygem-rdiscount' packages of Photon OS have been released...

ruby: Cookie prefix spoofing in CGI::Cookie.parse

A flaw was found in Ruby. RubyGems cgi gem could allow a remote attacker to conduct spoofing attacks caused by the mishandling of security prefixes in cookie names in the CGI::Cookie.parse function. By sending a specially-crafted request, an attacker could perform cookie prefix spoofing attacks...

OPENSUSE-SU-2026:10508-1 ruby4.0-rubygem-rack-2.2-2.2.23-1.1 on GA media

These are all security issues fixed in the ruby4.0-rubygem-rack-2.2-2.2.23-1.1 package on the GA media of openSUSE Tumbleweed...

Fedora 44 : rubygem-json (2026-3a7663d43d)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-3a7663d43d advisory. New version 2.19.2 is released. This fixes a format string injection vulnerability in JSON.parse, which is now assigned as CVE-2026-33210 Tenable has extract...

Malicious code in monolith-twirp-pullsd-repositories (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 1c34eecc811d04d6583504ad631024a727df5e2107a1025a2786bf8a56a59d3a The OpenSSF Package Analysis project identified 'monolith-twirp-pullsd-repositories' @ 1.0.10 rubygems as malicious. It is considered malicious...