Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-71557— go-git: Malicious reference names may modify files outside the reference storage

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团队的一款基于Go语言的分布式版本控制库。 go-git 5.19.2之前版本和6.0.0-alpha.5之前版本存在路径遍历漏洞，该漏洞源于引用名称在用于构造引用存储目录下的磁盘路径之前未经过清理，可能导致恶意构造的引用名称写入预期存储目录之外的文件。

CVSS 6.3 · Medium EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 2

VendorProduct Version RangeStatus
go-git go-git < 5.19.2 affected
>= 6.0.0-alpha.1, < 6.0.0-alpha.5 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-71557

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
go-git: Malicious reference names may modify files outside the reference storage
Source: CVE Program / CVE List V5
Vulnerability Description
go-git is an extensible git implementation library written in pure Go. Prior to 5.19.2 and 6.0.0-alpha.5, reference names are not sanitized before being used to construct on-disk paths under the reference storage directory, so a maliciously crafted reference name (for example containing directory-traversal sequences) can cause go-git to write files outside the intended reference storage directory. Versions 5.19.2 and 6.0.0-alpha.5 fix the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
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团队的一款基于Go语言的分布式版本控制库。 go-git 5.19.2之前版本和6.0.0-alpha.5之前版本存在路径遍历漏洞，该漏洞源于引用名称在用于构造引用存储目录下的磁盘路径之前未经过清理，可能导致恶意构造的引用名称写入预期存储目录之外的文件。
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

Vendor Product Affected Versions CPE Subscribe
go-git go-git < 5.19.2 -

II. Public POCs for CVE-2026-71557

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-71557

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-71557 (5)

Vendor Advisories for CVE-2026-71557 (1)

Vendor Pages for CVE-2026-71557 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-71557

No comments yet

Leave a comment