CVE-2026-34060

Ruby LSP is an implementation of the language server protocol for Ruby ...

Published 31 Mar 2026Modified 17 Jun 2026CWE 94

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

GHSA7.1CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Trivy's own label is CRITICAL. Rated critical by Ruby Advisory DB. Rated lower by GHSA (high).

Description

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 packages and fixed versions

Source	Package	Fixed in
rubygems::Ruby Advisory Database	ruby-lsp	>= 0.26.9
debian 14	ruby-ruby-lsp	0.26.9-0.1
rubygems::GitHub Security Advisory RubyGems	ruby-lsp	0.26.9

References

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