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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.26.9)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "ruby-lsp", "source": "cna", "vendor": "Shopify"}, "product": "ruby-lsp", "vendor": "shopify"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.10.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Shopify.ruby-lsp", "source": "cna", "vendor": "Shopify"}, "product": "shopify.ruby-lsp", "vendor": "shopify"}], "analysis": {"en": {"generated_at": "2026-03-31T05:22:38.469990+00:00", "value": {"mitigation_remediation": ["Apply the vendor patch by upgrading to Shopify.ruby-lsp\u202f0.10.2 or ruby-lsp\u202f0.26.9.", "If patching is not immediately possible, avoid opening untrusted projects or remove malicious .vscode/settings.json files before using the workspace.", "Verify that your Ruby LSP installation is up to date and regularly check Shopify\u2019s release notes and security advisories for further updates."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The issue affects Shopify\u2019s Ruby LSP implementation. Versions prior to Shopify.ruby-lsp\u202f0.10.2 and ruby-lsp\u202f0.26.9 are vulnerable. The product is named Shopify.ruby-lsp for the repository Shopify/ruby-lsp. Users running the older versions should consider updating. No other vendors or product versions were listed as affected.", "description_and_impact": "A vulnerability was found in Ruby LSP, an implementation of the language server protocol for Ruby. The rubyLsp.branch VS\u202fCode workspace setting was interpolated into a generated Gemfile without proper sanitization. If a malicious .vscode/settings.json file is present in a project, opening that workspace can cause arbitrary Ruby code to be executed, giving an attacker full control of the user\u2019s environment. This weakness is identified as CWE-94: Improper Control of Generation of Code or Logic.", "risk_and_exploitability": "The CVSS base score of 7.1 indicates a high severity, and the vulnerability is classified as a local risk that requires the user to open a compromised workspace. The EPSS score is not available, and the vulnerability is not in the CISA KEV catalog. Because the exploit vector requires a malicious settings file in the project, an attacker would need to gain access to a developer\u2019s filesystem or supply a malicious project, which limits the scope but still poses a significant threat to developers who open third\u2011party projects. Prompt patching is recommended to mitigate this risk."}}}}, "created": "2026-03-31T19:56:24.051271+00:00", "updated": "2026-03-31T20:39:36.258355+00:00", "vendors": ["shopify", "shopify$PRODUCT$ruby-lsp", "shopify$PRODUCT$shopify.ruby-lsp"]}