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CVE-2023-49569— Maliciously crafted Git server replies can lead to path traversal and RCE on go-git clients

Quick assessment

Affected
go-git go-git
Exploitation
Public or AI PoC available; prioritize validation
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 v5.11 之前版本存在路径遍历漏洞，该漏洞源于许攻击者跨文件系统创建和修改文件。

CVSS 9.8 · Critical EPSS 1.51% · P74
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I. Basic Information for CVE-2023-49569

Vulnerability Information
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Vulnerability Title
Maliciously crafted Git server replies can lead to path traversal and RCE on go-git clients
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability was discovered in go-git versions prior to v5.11. This vulnerability allows an attacker to create and amend files across the filesystem. In the worse case scenario, remote code execution could be achieved. Applications are only affected if they are using the ChrootOS https://pkg.go.dev/github.com/go-git/go-billy/v5/osfs#ChrootOS , which is the default when using "Plain" versions of Open and Clone funcs (e.g. PlainClone). Applications using BoundOS https://pkg.go.dev/github.com/go-git/go-billy/v5/osfs#BoundOS  or in-memory filesystems are not affected by this issue. This is a go-git implementation issue and does not affect the upstream git cli.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
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 v5.11 之前版本存在路径遍历漏洞，该漏洞源于许攻击者跨文件系统创建和修改文件。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
go-git go-git 5.11.0 -

II. Public POCs for CVE-2023-49569

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 11848 chars
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III. Intelligence Information for CVE-2023-49569

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Vendor Advisories for CVE-2023-49569 (1)

IV. Related Vulnerabilities

Same product: go-git
Same vendor: go-git
Same weakness: CWE-22

V. Comments for CVE-2023-49569

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