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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 repository containing a `.vscode/settings.json` could set these values to attacker-controlled targets. Opening and trusting the repository would then execute code with the privileges of the developer. The Ruby LSP gem and clients of the language server in other editors are not affected. Version 0.10.4 of the Ruby LSP VS Code extension fixes the issue.

CVSS 4.0 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Shopify
Products
Ruby-lsp
CVE-2026-34060

Ruby LSP has arbitrary code execution through branch setting

Ruby LSP is an implementation of the language server protocol for Ruby. Prior to Shopify.ruby-lsp version 0.10.2 and ruby-lsp version 0.26.9, the rubyLsp.branch VS Code workspace setting was interpolated without sanitization into a generated Gemfile, allowing arbitrary Ruby code execution when a user opens a project containing a malicious .vscode/settings.json. This issue has been patched in Shopify.ruby-lsp version 0.10.2 and ruby-lsp version 0.26.9.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Shopify
Products
Ruby-lsp Ruby Lsp Shopify.ruby-lsp