CVE-2026-32631— Git for Windows: `git clone` from manipulated repositories can leak NTLM hashes to arbitrary servers
Quick assessment
Affected
git-for-windows git
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.
Git for Windows是Git开源的一个专为 Windows 操作系统设计的 Git 客户端环境套件。 Git for Windows存在安全漏洞。以下产品和版本受到影响：Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3),Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8),Microsoft Visual Studio 2022 versio
Possible ATT&CK Techniques 3 AI
T1190 · Exploit Public-Facing Application T1110.003 · Password Spraying T1556.001 · Domain Controller Authentication
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I. Basic Information for CVE-2026-32631
Vulnerability Information
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Vulnerability Title
Git for Windows: `git clone` from manipulated repositories can leak NTLM hashes to arbitrary servers
Source: CVE Program / CVE List V5
Vulnerability Description
Git for Windows is the Windows port of Git. Versions prior to 2.53.0.windows.3 do not have protections that prevent attackers from obtaining a user's NTLM hash. The NTLM hash can be obtained by tricking users into cloning a malicious repository, or checking out a malicious branch, that accesses an attacker-controlled server. By default, NTLM authentication does not need any user interaction. By brute-forcing the NTLMv2 hash (which is expensive, but possible), credentials can be extracted. This issue has been fixed in version 2.53.0.windows.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Git for Windows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Git for Windows是Git开源的一个专为 Windows 操作系统设计的 Git 客户端环境套件。 Git for Windows存在安全漏洞。以下产品和版本受到影响：Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3),Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8),Microsoft Visual Studio 2022 versio
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| git-for-windows | git | < 2.53.0.windows.3 | - |
|
II. Public POCs for CVE-2026-32631
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-32631 (1)
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V. Comments for CVE-2026-32631
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