CVE-2026-33306

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt password hashing algorithm. Prior to version 3.1.22, an integer overflow in the Java BCrypt implementation for JRuby can cause zero iterations in the strengthening loop. Impacted applications must be setting the cost to 31 to see this happen. T...

CVE-2026-33306 bcrypt-ruby has an Integer Overflow that Causes Zero Key-Strengthening Iterations at Cost=31 on JRuby

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt password hashing algorithm. Prior to version 3.1.22, an integer overflow in the Java BCrypt implementation for JRuby can cause zero iterations in the strengthening loop. Impacted applications must be setting the cost to 31 to see this happen. T...

CVE-2026-33306 bcrypt-ruby has an Integer Overflow that Causes Zero Key-Strengthening Iterations at Cost=31 on JRuby

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt password hashing algorithm. Prior to version 3.1.22, an integer overflow in the Java BCrypt implementation for JRuby can cause zero iterations in the strengthening loop. Impacted applications must be setting the cost to 31 to see this happen. T...

CVE-2026-33306

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt password hashing algorithm. Prior to version 3.1.22, an integer overflow in the Java BCrypt implementation for JRuby can cause zero iterations in the strengthening loop. Impacted applications must be setting the cost to 31 to see this happen. T...

CVE-2026-33306: Integer Overflow or Wraparound

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt password hashing algorithm. Prior to version 3.1.22, an integer overflow in the Java BCrypt implementation for JRuby can cause zero iterations in the strengthening loop. Impacted applications must be setting the cost to 31 to see this happen. T...

CVE-2026-33170: Improper Neutralization of Input During Web Page Generation

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, SafeBuffer% does not propagate the @htmlunsafe flag to the newly created buffer. If a SafeBuffer is mutated in place e.g. via gsub! and th...

PT-2026-54582

Уязвимость компонента Active Storage программной платформы Ruby on Rails связана с недостаточной проверкой намерений приемником широковещательного сообщения. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код...

CVE-2026-33169: Uncontrolled Resource Consumption

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. NumberToDelimitedConverter uses a lookahead-based regular expression with gsub! to insert thousands delimiters. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, the interaction between th...

bcrypt-ruby input validation vulnerability

bcrypt-ruby is an open-source secure password hashing tool developed by bcrypt-ruby. Versions of bcrypt-ruby prior to 3.1.22 had a vulnerability related to input validation. This vulnerability stemmed from integer overflow in the JRuby implementation, which led to enhanced circular zero iteration...

CVE-2026-33167

Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript into the page,...

UBUNTU-CVE-2026-33167

Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript into the page,...

CVE-2026-33170 Rails Active Support has a possible XSS vulnerability in SafeBuffer#%

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, SafeBuffer% does not propagate the @htmlunsafe flag to the newly created buffer. If a SafeBuffer is mutated in place e.g. via gsub! and th...

CVE-2026-33169

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. "NumberToDelimitedConverter" uses a lookahead-based regular expression with "gsub!" to insert thousands delimiters. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, the interaction betwee...

CVE-2026-33168

Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefull...

CVE-2026-33167

Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript into the page,...

CVE-2026-33167

Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript into the page,...

GHSA-89VF-4333-QX8V Rails Active Support has a possible XSS vulnerability in SafeBuffer#%

Impact SafeBuffer% does not propagate the @htmlunsafe flag to the newly created buffer. If a SafeBuffer is mutated in place e.g. via gsub! and then formatted with % using untrusted arguments, the result incorrectly reports htmlsafe? == true, bypassing ERB auto-escaping and possibly leading to XSS...

GHSA-3M6G-2423-7CP3 vulnerabilities

Vulnerabilities for packages: ruby3.4-fluentd-kubernetes-daemonset, ruby3.2-fluentd-kubernetes-daemonset, ruby4.0-fluentd-kubernetes-daemonset, ruby, ruby3.3-fluentd-kubernetes-daemonset, logstash, ruby3.2-rails, ruby3.3-rails, ruby4.0-rails, cinc-auditor, ruby3.4-rails...

GHSA-3M6G-2423-7CP3 vulnerabilities

Vulnerabilities for packages: ruby3.4-fluentd-kubernetes-daemonset, ruby4.0-fluentd-kubernetes-daemonset, ruby3.2-rails, ruby, ruby4.0-rails, ruby3.3-fluentd-kubernetes-daemonset, logstash, gitlab-cng, cinc-auditor, ruby3.4-rails, ruby3.2-fluentd-kubernetes-daemonset, ruby3.3-rails...

CVE-2026-33210

A flaw was found in Ruby JSON. This vulnerability, a format string injection, allows a remote attacker to cause a denial of service DoS or disclose sensitive information. The flaw occurs when processing specially crafted user-supplied documents with the allowduplicatekey: false parsing option...