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...

Ruby CSS Parser 信任管理问题漏洞

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...

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...

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-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-2026-3635 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...

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...

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-2026-3636 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-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-2026-3633 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-2026-3630 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...

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...

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...

ROS-20260512-73-0033

Vulnerability in ruby related to lack of protection of proprietary data. Exploitation of the vulnerability may allow a remote attacker to gain unauthorized access to protected information...

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...