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CVE-2026-102826— simple-git allows command execution through unblocked Git configuration includes

Quick assessment

Affected
steveukx git-js
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin does not completely reject configuration includes supplied thr

CVSS 8.1 · High
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I. Basic Information for CVE-2026-102826

Vulnerability Information

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Vulnerability Title
simple-git allows command execution through unblocked Git configuration includes
Source: CVE Program / CVE List V5
Vulnerability Description
simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin does not completely reject configuration includes supplied through customArgs to git.clone(). The missing include.path classification permits Git to load an attacker-controlled configuration file, and the initial remediation does not cover includeIf.<condition>.path, allowing the same file-loading primitive through a conditional include. A loaded configuration can set an executable Git option such as core.sshCommand, which Git invokes during the clone operation with the privileges of the Node.js process. Exploitation requires the application to pass attacker-influenced custom arguments and requires an attacker-controlled file that the process can read. This issue is fixed in 4.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
steveukx git-js < 4.0.0 -

II. Public POCs for CVE-2026-102826

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III. Intelligence Information for CVE-2026-102826

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Other References for CVE-2026-102826 (4)

Same Patch Batch · steveukx · 2026-09-29 · 4 CVEs total

CVE-2026-102828 9.2 CRITICAL simple-git unsafe-operation guard does not block trailer command configuration
CVE-2026-102829 9.2 CRITICAL simple-git: `VISUAL` editor environment variable is omitted from unsafe editor detection
CVE-2026-102827 8.1 HIGH simple-git: unsafe-operations plugin bypass via git long-option abbreviation (--receive-p/

IV. Related Vulnerabilities

Same product: git-js
Same vendor: steveukx
Same weakness: CWE-77

V. Comments for CVE-2026-102826

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