CVE-2026-72915 Mastodon: Personally-identifying information disclosure due to incorrect access control validation

Mastodon is a free, open-source social network server based on ActivityPub. From 4.6.0-beta.1 until 4.6.4 and 4.7.0-beta.1, any logged-in local user could use the show action in app/controllers/admin/collectionscontroller.rb to access personally identifying information about another local user in...

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...

CLSA-2026-1786373168 TuxCare security update for mysql2 (2 CVEs)

TuxCare rebuilt mysql2 to address 2 CVEs. Fixed in 2.3.3-tuxcare.5...

Astra Linux – Vulnerability in Ruby 3.1

URI is a module that provides classes for handling Uniform Resource Identifiers. In versions 0.12.4 and earlier bundled with Ruby 3.2 series, 0.13.2 and earlier bundled with Ruby 3.3 series, 1.0.3 and earlier bundled with Ruby 3.4 series, when using the + operator to combine URIs, sensitive...

Astra Linux – Vulnerability in Ruby 3.1

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. The zstreambufferungets function prepends bytes provided by the caller before previously produced...

Astra Linux – Vulnerability in Ruby-Rack

Rack is a modular Ruby web server interface. Prior to versions 2.2.22, 3.1.20, and 3.2.5, the path check for Rack::Directory used a string prefix match on the expanded path. A request like /../rootexample/ could escape the configured root if the target path started with the root string, allowing...

Photon OS 5.0: Ruby PHSA-2025-5.0-91-0488

An update of the ruby package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2025-5.0-91-0488. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Ruby PHSA-2024-5.0-91-0247

An update of the ruby package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2024-5.0-91-0247. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

ruby:4.0 security, bug fix, and enhancement update

ruby 4.0.6-34 - Upgrade to Ruby 4.0.6. Resolves: RHEL-211301 Resolves: RHEL-193663 rubygem-mysql2 0.5.7-1 - Upgrade to mysql2 0.5.7. Related: RHEL-142278 0.5.5-3 - Disable tests on the 32bit platforms ix86. Related: RHEL-80222 0.5.5-2 - Adapt tests to openssl 3.2 Resolves: RHEL-80222 rubygem-pg...

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-2026-47167

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...

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...

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...

EulerOS 2.0 SP11 : ruby (EulerOS-SA-2026-3155)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP11 : ruby (EulerOS-SA-2026-3101)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

CVE-2026-48122

CVE-2026-48122 affects the Ruby LSP VS Code extension (prior to 0.10.4). A repo containing a .vscode/settings.json could override startup paths for the Ruby executable, version manager executables, or the Bundler Gemfile, causing code to run with the developer’s privileges when the repository is ...

CVE-2026-48122 Workspace settings can override executable and Gemfile paths used by the Ruby LSP VS Code extension

Ruby LSP is an implementation of the language server protocol for Ruby. Several workspace-level settings in the Ruby LSP VS Code extension prior to version 0.10.4 could override the path to the Ruby executable, the version manager executables, or the Bundler Gemfile used at startup. A malicious...

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...

GHSA-9HJ4-R449-HFVC Ruby JSON: JSON::ResumableParser#partial_value dereferences a freed input buffer and crashes on truncated duplicate-key streams

Summary 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 containing duplicate keys, the duplicate-key warning path calls...

Ruby JSON: JSON::ResumableParser#partial_value dereferences a freed input buffer and crashes on truncated duplicate-key streams

Summary 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 containing duplicate keys, the duplicate-key warning path calls...