Dynamic Client Registration feature creates public clients with client_secret

Impact The DynamicClientRegistrationControllerregister action hard-codes confidential: false when creating applications dynamicclientregistrationcontroller.rb:18-25, yet the response includes a clientsecret and advertises tokenendpointauthmethodssupported: "clientsecretbasic", "clientsecretpost"...

Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on Persistent Connections

Impact Puma is vulnerable to source IP spoofing when setremoteaddress proxyprotocol: :v1 is enabled and persistent connections are used. PROXY protocol v1 is a connection-level protocol. Support was added to Puma in v5.5.0. A proxy sends one PROXY header at the beginning of a TCP connection, befo...

bsv-sdk ARC broadcaster treats INVALID/MALFORMED/ORPHAN responses as successful broadcasts

ARC broadcaster treats failure statuses as successful broadcasts Summary BSV::Network::ARC's failure detection only recognises REJECTED and DOUBLESPENDATTEMPTED. ARC responses with txStatus values of INVALID, MALFORMED, MINEDINSTALEBLOCK, or any ORPHAN-containing extraInfo / txStatus are silently...

Rack::Sendfile header-based X-Accel-Mapping regex injection enables unauthorized X-Accel-Redirect

Summary Rack::Sendfilemapaccelpath interpolates the value of the X-Accel-Mapping request header directly into a regular expression when rewriting file paths for X-Accel-Redirect. Because the header value is not escaped, an attacker who can supply X-Accel-Mapping to the backend can inject regex...

Rack's multipart header parsing allows Denial of Service via escape-heavy quoted parameters

Summary Rack::Multipart::Parserhandlemimehead parses quoted multipart parameters such as Content-Disposition: form-data; name="..." using repeated Stringindex searches combined with Stringslice! prefix deletion. For escape-heavy quoted values, this causes super-linear processing. An unauthenticat...

Rack:: Static header_rules bypass via URL-encoded paths

Summary Rack::Staticapplicablerules evaluates several headerrules types against the raw URL-encoded PATHINFO, while the underlying file-serving path is decoded before the file is served. As a result, a request for a URL-encoded variant of a static path can serve the same file without the headers...

Rails Active Support has a possible DoS vulnerability in its number helpers

Impact Active Support number helpers accept strings containing scientific notation e.g. 1e10000, which when converted to a string could be expanded into extremely large decimal representations. This can cause excessive memory allocation and CPU consumption when the expanded number is formatted,...

Graphiti Affected by Arbitrary Method Execution via Unvalidated Relationship Names

Summary An arbitrary method execution vulnerability has been found which affects Graphiti's JSONAPI write functionality. An attacker can craft a malicious JSONAPI payload with arbitrary relationship names to invoke any public method on the underlying model instance, class or its associations...

Ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)

Summary Ruby-saml up to and including 1.12.4, there is an authentication bypass vulnerability because of an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker...

Rack is vulnerable to a memory-exhaustion DoS through unbounded URL-encoded body parsing

Summary Rack::RequestPOST reads the entire request body into memory for Content-Type: application/x-www-form-urlencoded, calling rack.input.readnil without enforcing a length or cap. Large request bodies can therefore be buffered completely into process memory before parsing, leading to denial of...

Rack's multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion)

Summary Rack::Multipart::Parser can accumulate unbounded data when a multipart part’s header block never terminates with the required blank line CRLFCRLF. The parser keeps appending incoming bytes to memory without a size cap, allowing a remote attacker to exhaust memory and cause a denial of...

Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion)

Summary Rack::Multipart::Parser buffers the entire multipart preamble bytes before the first boundary in memory without any size limit. A client can send a large preamble followed by a valid boundary, causing significant memory use and potential process termination due to out-of-memory OOM...

REXML has DoS condition when parsing malformed XML file

Impact The REXML gems from 3.3.3 to 3.4.1 have a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. Patches REXML gems 3.4.2 or later include the patches to fix these vulnerabilities...

HashiCorp Vagrant has code injection vulnerability through default synced folders

An authenticated virtual machine escape vulnerability exists in HashiCorp Vagrant versions 2.4.6 and below when using the default synced folder configuration. By design, Vagrant automatically mounts the host system’s project directory into the guest VM under /vagrant or C:\vagrant on Windows. Thi...

Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling

Ruby WEBrick readheader HTTP Request Smuggling Vulnerability This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The...

Rack session gets restored after deletion

Summary When using the Rack::Session::Pool middleware, simultaneous rack requests can restore a deleted rack session, which allows the unauthenticated user to occupy that session. Details Rack session middleware prepares the session at the beginning of request, then saves is back to the store wit...

decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds

Impact The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. Workarounds Disable the creation of meetings by participants in the meeting component. References OWASP ASVS v4.0.3-5.1.3 Credits This issue was discovered in a...

geokit-rails Command Injection vulnerability

Versions of the package geokit-rails before 2.5.0 are vulnerable to Command Injection due to unsafe deserialisation of YAML within the 'geolocation' cookie. This issue can be exploited remotely via a malicious cookie value. Note: An attacker can use this vulnerability to execute commands on the...

sidekiq vulnerable to cross-site scripting

sidekiq from 7.0.4 to 7.0.7 is vulnerable to reflected cross-site scripting. A fix was released in version 7.0.8...

unpoly-rails Denial of Service vulnerability

There is a possible Denial of Service DoS vulnerability in the unpoly-rails gem that implements the Unpoly server protocol for Rails applications. Impact This issues affects Rails applications that operate as an upstream of a load balancer's that uses passive health checks. The unpoly-rails gem...

Information Disclosure Through EXPLAIN Feature

A malicious PgHero user can use the EXPLAIN functionality to extract data from the database. With certain inputs, a user can get the results of a query to appear in an error message. If the PgHero database user has superuser privileges not recommended, the user can use file access functions to re...

Oxidized Web vulnerable to Cross-site Scripting

A vulnerability was found in ytti Oxidized Web. It has been classified as problematic. Affected is an unknown function of the file lib/oxidized/web/views/confsearch.haml. The manipulation of the argument toresearch leads to cross site scripting. It is possible to launch the attack remotely. The...

Exploitable heap overflow vulnerability exists in Ruby's Psych::Emitter start_document function

An exploitable heap overflow vulnerability exists in the Psych::Emitter startdocument function of Ruby. In Psych::Emitter startdocument function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array...

RubyGems Improper Verification of Cryptographic Signature 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, and Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contain an Improper Verification of Cryptographic Signature vulnerability in package.rb. This can resu...

RubyGems Path Traversal 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 Directory Traversal vulnerability in gem installation that can result in the gem writing to...

Gem in a Box vulnerable to Cross-site Scripting

geminabox aka Gem in a Box before 0.13.6 is vulnerable to Cross-site Scripting XSS, as demonstrated by uploading a gem file that has a crafted gem.homepage value in its .gemspec file...

mixlib-archive Path Traversal vulnerability

Chef Software's mixlib-archive versions 0.3.0 and older are vulnerable to a directory traversal attack allowing attackers to overwrite arbitrary files by using .. in tar archive entries...

Asciidoctor Infinite Loop vulnerability

Asciidoctor in versions 1.5.8 allows remote attackers to cause a denial of service infinite loop. The loop was caused by the fact that Parser.nextblock was not exhausting all the lines in the reader as the while loop expected it would. This was happening because the regular expression that detect...

Business Logic Errors in Publify

Publify formerly known as Typo prior to version 9.2.7 is vulnerable to business logic errors...

imap - StartTLS stripping attack

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between th...

Server-side request forgery in CarrierWave

Impact CarrierWave download feature or 1.3.2. Workarounds Using proper network segmentation and applying the principle of least privilege to outbound connections from application servers can reduce the severity of SSRF vulnerabilities. Ideally the vulnerable gem should run on an isolated server...

Regression in JWT Signature Validation

Overview Versions after and including 2.3.0 are improperly validating the JWT token signature when using the JWTValidator.verify method. Improper validation of the JWT token signature when not using the default Authorization Code Flow can allow an attacker to bypass authentication and...

CSRF Vulnerability with Non-Session Based Authentication

The PgHero dashboard is vulnerable to CSRF with non-session based authentication methods. Impact The PgHero dashboard is vulnerable to cross-site request forgery CSRF. This affects the Docker image, Linux packages, and in specific cases, the Ruby gem. The Ruby gem is vulnerable with non-session...

padrino-contrib XSS via caption parameter of breadcrumbs helper

The breadcrumbs contributed module through 0.2.0 for Padrino Framework allows XSS via a caption...

Code execution backdoor in blockchain_wallet

The blockchainwallet gem 0.0.6 through 0.0.7 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Users of an affected version should consider downgrading to the last non-affected version of 0.0.5...

Code backdoor in paranoid2

The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5...

Bypass vulnerability in Active Storage

There is a vulnerability in Active Storage. This vulnerability has been assigned the CVE identifier CVE-2018-16477. Versions Affected: = 5.2.0 Not affected: 5.2.0 Fixed Versions: 5.2.1.1 Impact ------ Signed download URLs generated by ActiveStorage for Google Cloud Storage service and Disk servic...

Incorrect value comparison in Ruby openssl

An issue was discovered in the OpenSSL library in Ruby when two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one...

Denial of Service in jquery

Affected versions of jquery use a lowercasing logic on attribute names. When given a boolean attribute with a name that contains uppercase characters, jquery enters into an infinite recursion loop, exceeding the call stack limit, and resulting in a denial of service condition. Recommendation Upda...

delayed_job_web ruby gem XSS vulnerability via `queues` parameter

An exploitable cross site scripting XSS vulnerability exists in the filter functionality of the delayedjobweb ruby gem. A specially crafted URL can cause an XSS flaw resulting in an attacker being able to execute arbitrary javascript on the victim's browser. An attacker can phish an authenticated...

Potential arbitrary file read vulnerability in yard server

lib/yard/coreext/file.rb in the server in YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to conduct directory traversal attacks and read arbitrary files...

Security Vulnerability in Nested Attributes code in Ruby On Rails 2.3.9 and 3.0.0

Ruby on Rails 2.3.9 and 3.0.0 does not properly handle nested attributes, which allows remote attackers to modify arbitrary records by changing the names of parameters for form inputs. Patches are available for 2.3 and 3.0 series...

RuboCop gem Insecure use of /tmp

RuboCop 0.48.1 and earlier does not use /tmp in safe way, allowing local users to exploit this to tamper with cache files belonging to other users...

Type confusion exists in ole_invoke and ole_query_interface methods of Ruby's WIN32OLE class

Type confusion exists in two methods of Ruby's WIN32OLE class, oleinvoke and olequeryinterface. Attacker passing different type of object than this assumed by developers can cause arbitrary code execution...

Fat Free CRM Gem being vulnerable to CSRF-type attacks

Fat Free CRM contains a flaw as HTTP requests to /admin/users do not require multiple steps, explicit confirmation, or a unique token when performing certain sensitive actions. By tricking a user into following a specially crafted link, a context-dependent attacker can perform a Cross-Site Reques...

Fat Free CRM Gem contains a javascript cross-site scripting (XSS) vulnerability

Fat Free CRM Gem contains a javascript cross-site scripting XSS vulnerability. When a user is created/updated using a specifically crafted username, first name or last name, it is possible for arbitrary javascript to be executed on all Fat Free CRM pages. This code would be executed for all logge...

karo Gem for Ruby db.rb Metacharacter Handling Remote Command Execution

The karo gem 2.3.8 for Ruby allows Remote command injection via the host field. karo Gem for Ruby contains a flaw in db.rb that is triggered when handling metacharacters. This may allow a remote attacker to execute arbitrary commands. CWE-77 - Improper Neutralization of Special Elements used in a...

Reflective XSS Vulnerability in twitter-bootstrap-rails

The twitter-bootstrap-rails Gem for Rails contains a flaw that enables a reflected cross-site scripting XSS attack. This flaw exists because the bootstrapflash helper method does not validate input when handling flash messages before returning it to users. This may allow a context-dependent...

CVE-2014-1831 CVE-2014-1832 rubygem-passenger: insecure use of temporary files

Phusion Passenger before 4.0.37 allows local users to write to certain files and directories via a symlink attack on 1 controlprocess.pid or a 2 generation- file...

Bio Basespace SDK Gem for Ruby Command Line API Key Disclosure

Bio Basespace SDK Gem for Ruby contains a flaw that is due to the API client code passing the APIKEY to a curl command. This may allow a local attacker to gain access to API key information by monitoring the process table...