19329 matches found
CVE-2026-44312: Inclusion of Functionality from Untrusted Control Sphere
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...
Important: ruby
Issue Overview: ERB is a templating system for Ruby. Ruby 2.7.0 before ERB 2.2.0 was published on rubygems.org introduced an @init instance variable guard in ERBresult and ERBrun to prevent code execution when an ERB object is reconstructed via Marshal.load deserialization. However, three other...
Ruby CSS Parser Trust Management Vulnerability
Ruby CSS Parser is an open-source tool developed by premailer, used for loading, parsing, and cascading CSS rule sets. Versions of Ruby CSS Parser prior to 2.1.0 and 1.22.0 had a trust management vulnerability. This vulnerability stemmed from unvalidated HTTPS connections, where connections were...
TencentOS Server 4: ruby (TSSA-2026:0297)
The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0297 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...
Amazon Linux 2 : ruby, --advisory ALAS2-2026-3284 (ALAS-2026-3284)
The version of ruby installed on the remote host is prior to 2.0.0.648-36. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3284 advisory. ERB is a templating system for Ruby. Ruby 2.7.0 before ERB 2.2.0 was published on rubygems.org introduced an @init instance...
CLSA-2026-1778661102 ruby: Fix of CVE-2023-28756
CVE-2023-28756: fix ReDoS in Time.rfc2822 by linearizing the RFC2822 parser regex in lib/time.rb to prevent quadratic backtracking on crafted invalid input...
GemStuffer Abuses 150+ RubyGems to Exfiltrate Scraped U.K. Council Portal Data
Cybersecurity researchers are calling attention to a new campaign dubbed GemStuffer that has targeted the RubyGems repository with more than 150 gems that use the registry as a data exfiltration channel rather than for malware distribution. "The packages do not appear designed for mass developer...
Malicious code in knot-simple-formatter (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
Malicious code in knot-date-utils-rb (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
MAL-2026-3635 Malicious code in knot-rspec-formatter-json (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
MAL-2026-3636 Malicious code in knot-simple-formatter (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
Malicious code in knot-rails-assets-pipeline (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
MAL-2026-3634 Malicious code in knot-rails-assets-pipeline (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
MAL-2026-3633 Malicious code in knot-rack-session-store (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
MAL-2026-3631 Malicious code in knot-date-utils-rb (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
MAL-2026-3630 Malicious code in knot-activesupport-logger (RubyGems)
--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...
Ruby URI Module Confidential Data Access
The vulnerability of the Ruby language’s URI module, as well as the RubyGems package manager system, relates to the exposure of information. Exploiting this vulnerability can allow an attacker to gain access to confidential data remotely...
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...
CVE-2026-42205
Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...
Linux Distros Unpatched Vulnerability : CVE-2026-42257
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. Prior to versions 0.4.24, 0.5.14, and 0.6.4, several Net::IMAP commands...