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github.com/cli/go-gh/v2

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  1. UnratedGoPublished

    Prevent GitHub CLI and extensions from executing arbitrary commands from compromised GitHub Enterprise Server

    CVE-2025-48938 · GHSA-g9f5-x53j-h563

    Affected
    • Go github.com/cli/go-gh/v2 < 2.12.1
    Fixed in
    2.12.1· Vendor fix available
    Issue
    A security vulnerability has been identified in go-gh where an attacker-controlled GitHub Enterprise Server could result in executing arbitrary commands on a user's machine by replacing HTTP URLs provided by GitHub with local file paths for browsing. Details The GitHub CLI and CLI extensions allow users to transition from their terminal for a variety of use cases through the Browser capability in github.com/cli/go-gh/v2/pkg/browser: - Using the -w, --web flag, GitHub CLI users can view GitHub repositories, issues, pull requests, and more using their web browser - Using the gh codespace command set, GitHub CLI users can transition to Visual Studio Code to work with GitHub Codespaces This is done by using URLs provided through API responses from authenticated GitHub hosts when users execute gh commands. Prior to 2.12.1, Browser.Browse() would attempt to open the provided URL using a variety of OS-specific approaches regardless of the scheme. An attacker-controlled GitHub…

    Recommended action: Upgrade to 2.12.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →