Vulnerability record · CVE-2026-34060 · published 31 March 2026

CVE-2026-34060: Shopify ruby lsp code injection vulnerability

Shopify · Ruby Lsp

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.

7.1 CVSS 4.0 High EPSS 0.60% · top 53.6% CWE-94 · Code injection

7.1CVSS 4.0 base score

0.60%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Ruby Lsp Shopify

References

Link	Tags
https://github.com/Shopify/ruby-lsp/releases/tag/v0.26.9	Release Notes
https://github.com/Shopify/ruby-lsp/security/advisories/GHSA-c4r5-fxqw-vh93	MitigationVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-34060), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.