Description
simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. From 3.15.0 until 4.0.1, the default blockUnsafeOperationsPlugin does not classify trailer.<token>.cmd as unsafe configuration. An application that passes attacker-controlled values through SimpleGitOptions.config or inline -c arguments can therefore allow Git to invoke an attacker-selected shell command when git interpret-trailers processes the configured trailer. The command executes with the operating-system identity and permissions of the Node.js process. This issue is fixed in 4.0.1.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-102828 ↗
- github.com/steveukx/git-js/commit/d762810c13b331ff1e5eb24c0b434646d2a8d1b3 ↗
- github.com/steveukx/git-js/pull/1198 ↗
- github.com/steveukx/git-js/releases/tag/simple-git@4.0.1 ↗
- github.com/steveukx/git-js/security/advisories/GHSA-x6jw-m9v5-85vh ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.