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CVE-2026-45571— go-git: Crafted repositories may modify main and submodule .git directories

CVSS 5.4 · Medium EPSS 0.01% · P2

Affected Version Matrix 2

VendorProductVersion RangeStatus
go-gitgo-git< 5.19.1affected
>= 6.0.0-alpha.1, < 6.0.0-alpha.4affected
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I. Basic Information for CVE-2026-45571

Vulnerability Information

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Vulnerability Title
go-git: Crafted repositories may modify main and submodule .git directories
Source: NVD (National Vulnerability Database)
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, a path validation issue in go-git could allow crafted repository data to affect files outside the intended checkout target, including the repository's .git directory. These validations were introduced in upstream Git years ago, so the vulnerability arose from go-git drifting from those checks. This vulnerability is fixed in 5.19.1 and 6.0.0-alpha.4.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
go-git 路径遍历漏洞
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之前版本存在路径遍历漏洞,该漏洞源于路径验证问题,可能导致特制仓库数据影响预期检出目标之外的文件。
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

VendorProductAffected VersionsCPESubscribe
go-gitgo-git < 5.19.1 -

II. Public POCs for CVE-2026-45571

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III. Intelligence Information for CVE-2026-45571

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Vendor Advisories for CVE-2026-45571 (1)

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

CVE-2026-45022go-git: Improper parsing of specially crafted objects may lead to inconsistent interpretat
CVE-2026-45570go-git: Improper single-quote escaping in go-git SSH transport

IV. Related Vulnerabilities

V. Comments for CVE-2026-45571

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