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CVE-2026-34060

Ruby LSP has arbitrary code execution through branch setting PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Shopify / ruby-lspaffected < 0.26.9
Shopify / Shopify.ruby-lspaffected < 0.10.2

CWE

CWE-94

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.