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Vulnerabilities CVE-2026-48122

CVE-2026-48122

Medium
Open
TLP:CLEAR

Workspace settings can override executable and Gemfile paths used by the Ruby LSP VS Code extension

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Description

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.

Details

CVSS Score
5.4
EPSS Score
0.13%

2.6th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 7, 2026
Last Modified
Aug 7, 2026
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