Rails has a possible XSS vulnerability in its Action View tag helpers

Impact 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 carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Application...

rubyipmi is vulnerable to OS Command Injection through malicious usernames

A flaw was found in rubyipmi, a gem used in the Baseboard Management Controller BMC component of Red Hat Satellite. An authenticated attacker with host creation or update permissions could exploit this vulnerability by crafting a malicious username for the BMC interface. This could lead to remote...

JWE is missing AES-GCM authentication tag validation in encrypted JWE

Overview The authentication tag of encrypted JWEs can be brute forced, which may result in loss of confidentiality for those JWEs and provide ways to craft arbitrary JWEs. Impact - JWEs can be modified to decrypt to an arbitrary value - JWEs can be decrypted by observing parsing differences - The...

Ruby SAML allows a SAML authentication bypass due to DOCTYPE handling (parser differential)

Summary An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker to be able to execute a Signature Wrapping...

Ruby SAML allows a SAML authentication bypass due to namespace handling (parser differential)

Summary An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker to be able to execute a Signature Wrapping...

Possible ReDoS vulnerability in block_format in Action Mailer

There is a possible ReDoS vulnerability in the blockformat helper in Action Mailer. This vulnerability has been assigned the CVE identifier CVE-2024-47889. Impact Carefully crafted text can cause the blockformat helper to take an unexpected amount of time, possibly resulting in a DoS vulnerabilit...

Resque Scheduler Reflected XSS In Delayed Jobs View

Impact Resque Scheduler version 1.27.4 and above are affected by a cross-site scripting vulnerability. A remote attacker can inject javascript code to the "schedulejob" or "args" parameter in /resque/delayed/jobs/schedulejob?args=argsid to execute javascript at client side. Patches Fixed in v4.10...

Possible Deserialization of Untrusted Data Vulnerability in Kredis JSON

There is a deserialization of untrusted data vulnerability in the Kredis JSON deserialization code. This vulnerability has been assigned the CVE identifier CVE-2023-27531. 'Not affected: None.' 'Versions Affected: All.' 'Fixed Versions: 1.3.0.1' Impact Carefully crafted JSON data processed by...

Nokogiri Implements libxml2 version vulnerable to use-after-free

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability...

Incorrect Authorization in publify

Improper Access Control in GitHub repository publify/publify prior to 9.2.8. Anonymous users can't view but can leave comments on an article in draft mode...

Out-of-bounds Read in mruby/mruby

Out-of-bounds Read in Homebrew mruby prior to 3.2...

Possible XSS Vulnerability in Action Pack in Development Mode

There is a possible XSS vulnerability in Action Pack while the application server is in development mode. This vulnerability is in the Actionable Exceptions middleware. This vulnerability has been assigned the CVE identifier CVE-2020-8264. Versions Affected: = 6.0.0 Not affected: 6.0.0 Fixed...

Race condition when using persistent connections

There was a race condition around persistent connections, where a connection which is interrupted such as by a timeout would leave data on the socket. Subsequent requests would then read this data, returning content from the previous response. The race condition window appears to be short, and it...

Denial of Service in rubyzip ("zip bombs")

In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service disk consumption...

bootstrap Cross-site Scripting vulnerability

In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property...

bootstrap Cross-site Scripting vulnerability

In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property...

Use after free caused by integer overflow in environment stack

In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrbvmexec when handling OPGETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary code...

Potential XSS Vulnerability in Ruby on Rails Applications

The cross-site scripting XSS prevention feature in Ruby on Rails 2.x before 2.3.12, 3.0.x before 3.0.8, and 3.1.x before 3.1.0.rc2 does not properly handle mutation of safe buffers, which makes it easier for remote attackers to conduct XSS attacks via crafted strings to an application that uses a...

Agent Imprersonation in Puppet

lib/puppet/network/authstore.rb in Puppet before 2.7.18, and Puppet Enterprise before 2.5.2, supports use of IP addresses in certnames without warning of potential risks, which might allow remote attackers to spoof an agent by acquiring a previously used IP address...

High severity vulnerability that affects rails

Multiple SQL injection vulnerabilities in Ruby on Rails before 2.1.1 allow remote attackers to execute arbitrary SQL commands via the 1 :limit and 2 :offset parameters, related to ActiveRecord, ActiveSupport, ActiveResource, ActionPack, and ActionMailer...

omniauth leaks authenticity token in callback params

In strategy.rb in OmniAuth before 1.3.2, the authenticitytoken value is improperly protected because POST in addition to GET parameters are stored in the session and become available in the environment of the callback phase...

Predictable tmp File Path Vulnerability in Phusion Passenger

In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user...

rack-mini-profiler may disclose information to unauthorized users

Carefully crafted requests can expose information about strings and objects allocated during the request for unauthorised users...

Data Injection Vulnerability in bson Rubygem

A flaw in the ObjectId validation regular expression can enable attackers to inject arbitrary information into a given BSON object...

CVE-2013-0334 rubygem-bundler: 'bundle install' may install a gem from a source other than expected

Bundler before 1.7, when multiple top-level source lines are used, allows remote attackers to install arbitrary gems by creating a gem with the same name as another gem in a different source. A flaw was found in the way Bundler handled gems available from multiple sources. An attacker with access...

CVE-2014-0135 rubygem-kafo: temporary file creation vulnerability when creating /tmp/default_values.yaml

Kafo before 0.3.17 and 0.4.x before 0.5.2, as used by Foreman, uses world-readable permissions for defaultvalues.yaml, which allows local users to obtain passwords and other sensitive information by reading the file...

Ember.js Potential XSS Exploit With User-Supplied Data When Using {{group}} Helper

In general, Ember.js escapes or strips any user-supplied content before inserting it in strings that will be sent to innerHTML. However, we have identified a vulnerability that could lead to unescaped content being inserted into the innerHTML string without being sanitized. When using the group...

multi_xml Gem for Ruby XML Parameter Parsing Remote Command Execution

The multixml Gem for Ruby contains a flaw that is triggered when an error occurs during the parsing of the 'XML' parameter. With a crafted request containing arbitrary symbol and yaml types, a remote attacker can execute arbitrary commands...

Puppet uses predictable filenames, allowing arbitrary file overwrite

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x, when running in --edit mode, uses a predictable file name, which allows local users to run arbitrary Puppet code or trick a user into editing arbitrary files...

Decidim - Forms admin question editor lacks authorization

Description A participant can load the demographics questionnaire admin editor and make changes. Impact - Low-privilege users can access questionnaire-admin interfaces. - They can read question-management surfaces that should remain limited to questionnaire managers. Credits This issue was...

Decidim - JWT-backed authentication can be replayed across organizations

Description A JWT issued to an Org 1 account is accepted on the Org 2 API and can read the admin-only GraphQL participantDetails field for an Org 2 participant. The same trust-boundary problem also affects API-user authentication: an Org 1 API user can use a JWT on the Org 1 host and replay that...

Oj - intern.c form_attr (uninitialized stack read)

Summary Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surface to the caller, disclosing process stack memory. Impact Information disclosure of process stack memor...

Reused Component Instances Retain Stale Render Context

Summary ViewComponent::Base instances retain multiple render-scoped objects across calls to renderin. If the same component, collection, or spacer component instance is reused across requests, users, tenants, or threads, later renders can use stale helpers, controller, request, viewflow,...

redact additional sensitive/risky headers when following redirects

Impact The redirect follower middleware previously failed to strip a number of headers that are known to be sensitive and did not provide a way to provide a custom list of headers to strip. What kind of vulnerability is it? Who is impacted? This could cause inadvertent leakage of sensitive data f...

net-imap vulnerable to command Injection via "raw" arguments to multiple commands

Summary Several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled input, it may contain contain CRLF sequences, which an attacker can use to inject arbitrary IMAP commands. Details Net::IMAP's...

Buffer overflow vulnerability in Zlib::GzipReader

A buffer overflow vulnerability exists in Zlib::GzipReader. This vulnerability has been assigned the CVE identifier CVE-2026-27820. We recommend upgrading the zlib gem. Details The zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but fails to guarant...

Possible Denial of Service in resolv gem

A denial of service vulnerability has been discovered in the resolv gem bundled with Ruby. This vulnerability has been assigned the CVE identifier CVE-2025-24294. We recommend upgrading the resolv gem. Details The vulnerability is caused by an insufficient check on the length of a decompressed...

Heap-based Buffer Overflow in sqlite-vec

sqlite-vec v0.1.1 was discovered to contain a heap buffer overflow via the npytokennext function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted file. Workaround for CVE in release 0.1.3...

DoS vulnerabilities in REXML

There is a DoS vulnerability in REXML gem. This vulnerability has been assigned the CVE identifier CVE-2024-41946. We strongly recommend upgrading the REXML gem. Details When parsing an XML that has many entity expansions with SAX2 or pull parser API, REXML gem may take long time. Please update...

Possible CSRF attack at questionnaire templates preview

Impact The CSRF authenticity token check is currently disabled for the questionnaire templates preview as per: https://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnairetemplatescontroller.rbL11 This was...

view_component Cross-site Scripting vulnerability

Impact What kind of vulnerability is it? Who is impacted? This is an XSS vulnerability that has the potential to impact anyone rendering a component directly from a controller with the viewcomponent gem. Note that only components that define a call method i.e. instead of using a sidecar template...

External XML entity (XXE) vulnerability in svg_optimizer rubygem

An issue in Fnando svgoptimizer v.0.2.6 allows a remote attacker to escalate privileges when optimizing untrusted SVG content...

GHSL-2022-094: Remote Code Execution in discordrb

The encodefile method may lead to remote code execution RCE if invoked with untrusted user-controlled data...

omniauth-weibo-oauth2 included a code-execution backdoor inserted by a third-party

The omniauth-weibo-oauth2 gem 0.4.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Versions through 0.4.5, and 0.5.1 and later, are unaffected...

Cross site scripting in publify

In publify, versions v8.0 to v9.2.4 are vulnerable to stored XSS as a result of an unrestricted file upload. This issue allows a user with 'publisher' role to inject malicious JavaScript via the uploaded html file...

Fat Free CRM Cross-site Scripting vulnerability

HTML Injection has been discovered in the v0.19.0 version of the Fat Free CRM product via an authenticated request to the /comments URI...

RubyGems Improper Input Validation vulnerability

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Input Validation vulnerability in ruby gems specification homepage attribute that can...

hammer_cli_foreman Improper Certificate Validation vulnerability

Hammer CLI, a CLI utility for Foreman, before version 0.10.0, did not explicitly set the verifyssl flag for apipie-bindings that disable it by default. As a result the server certificates are not checked and connections are prone to man-in-the-middle attacks...

Mongrel vulnerable to directory traversal via double-encoded sequences

Directory traversal vulnerability in DirHandler lib/mongrel/handlers.rb in Mongrel 1.0.4 1.0.3 and prior are not affected and 1.1.x before 1.1.3 allows remote attackers to read arbitrary files via an HTTP request containing double-encoded sequences .%252e...

Path traversal when MessageBus::Diagnostics is enabled

Impact Users who deployed message bus with diagnostics features enabled default off were vulnerable to a path traversal bug, which could lead to disclosure of secret information on a machine if an unintended user were to gain access to the diagnostic route. The impact is also greater if there is ...