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CVE-2026-45570— go-git: Improper single-quote escaping in go-git SSH transport

Quick assessment

Affected
go-git go-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.

go-git是go-git开源的一个用纯 Go 编写的高度可扩展的 git 实现库。 go-git 5.19.1之前版本和6.0.0-alpha.4之前版本存在安全漏洞，该漏洞源于SSH传输构造远程执行命令时将仓库路径用单引号包裹而未转义路径中的单引号，可能导致包含单引号的仓库路径突破引号区域附加为额外shell令牌。

AI Predicted 8.6 Difficulty: Moderate EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
go-git go-git < 5.19.1 affected
>= 6.0.0-alpha.1, < 6.0.0-alpha.4 affected
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I. Basic Information for CVE-2026-45570

Vulnerability Information
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Vulnerability Title
go-git: Improper single-quote escaping in go-git SSH transport
Source: CVE Program / CVE List V5
Vulnerability Description
go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, go-git's SSH transport constructs the remote exec command by wrapping the repository path in single quotes without escaping single quotes embedded inside the path. A repository path containing a single quote can therefore break out of the quoted region in the exec command and be appended as additional shell tokens. This vulnerability is fixed in 5.19.1 and 6.0.0-alpha.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
go-git 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
go-git是go-git开源的一个用纯 Go 编写的高度可扩展的 git 实现库。 go-git 5.19.1之前版本和6.0.0-alpha.4之前版本存在安全漏洞，该漏洞源于SSH传输构造远程执行命令时将仓库路径用单引号包裹而未转义路径中的单引号，可能导致包含单引号的仓库路径突破引号区域附加为额外shell令牌。
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
go-git go-git < 5.19.1 -

II. Public POCs for CVE-2026-45570

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III. Intelligence Information for CVE-2026-45570

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Vendor Advisories for CVE-2026-45570 (1)

Same Patch Batch · go-git · 2026-05-27 · 3 CVEs total

CVE-2026-45571 5.4 MEDIUM go-git: Crafted repositories may modify main and submodule .git directories
CVE-2026-45022 go-git: Improper parsing of specially crafted objects may lead to inconsistent interpretat

IV. Related Vulnerabilities

Same product: go-git
Same vendor: go-git
Same weakness: CWE-116

V. Comments for CVE-2026-45570

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