CVE-2026-19478

CVE-2026-19478 GitLab GraphQL unauthenticated project deletion ★ CVE-2026-19478 GitLab GraphQL @glintroduced unauthenticated arbitrary-method-invocation PoC ★ https://github.com/user-attachments/assets/bb5d5f8a-a9bf-4148-854b-14c25c501d4b Overview CVE-2026-19478 is an unauthenticated...

CVE-2026-55107 Kobako Vulnerable to Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)

Kobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution of untrusted Ruby scripts LLM-generated code, user formulas, student submissions, third-party plugins in-process without giving them access to host memory, files, network, or credentials. Fr...

CVE-2026-55107 Kobako Vulnerable to Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)

Kobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution of untrusted Ruby scripts LLM-generated code, user formulas, student submissions, third-party plugins in-process without giving them access to host memory, files, network, or credentials. Fr...

CVE-2026-55107

The Kobako Ruby gem (versions 0.1.0 through 0.9.0 ) contains a critical sandbox escape vulnerability. The root cause is an unguarded Object#public_send sink in the transport dispatcher, which allows guest mruby scripts to execute arbitrary Ruby in the host process. Attackers can pivot through the...

GHSA-7PWQ-Q9JF-539H kobako Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)

Summary A guest mruby script running inside the Kobako sandbox can execute arbitrary Ruby in the host process, fully escaping the sandbox. Details A host embeds bound "Service" objects that guest scripts call across the wasm boundary through the transport dispatcher. The dispatcher passed the...

kobako Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)

Summary A guest mruby script running inside the Kobako sandbox can execute arbitrary Ruby in the host process, fully escaping the sandbox. Details A host embeds bound "Service" objects that guest scripts call across the wasm boundary through the transport dispatcher. The dispatcher passed the...

kobako Sandbox Escape - guest eval reaches host RCE via method_missing → public_send (any bound Service)

Summary A guest mruby script running inside the Kobako sandbox can execute arbitrary Ruby in the host process, fully escaping the sandbox. Impact Complete sandbox escape leading to remote code execution in the host process, defeating the gem's central guarantee of isolating untrusted mruby script...

CVE-2026-44836: Exposed Dangerous Method or Function

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview...

view_component - Preview Route Can Dispatch Inherited Helper Methods'

The preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview examples explicitly defined by the preview class. As a result, inherited public methods on ViewComponent::Preview are route-reachable. The...

Discourse < 2.3.0.beta10 Multiple Vulnerabilities

Discourse is prone to multiple vulnerabilities including vulnerabilities in 3rdparty components. SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-onl...