CVE-2025-21613

Description

go-git is a highly extensible git implementation library written in pure Go. An argument injection vulnerability was discovered in go-git versions prior to v5.13. Successful exploitation of this vulnerability could allow an attacker to set arbitrary values to git-upload-pack flags. This only happens when the file transport protocol is being used, as that is the only protocol that shells out to git binaries. This vulnerability is fixed in 5.13.0.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-88 CWE-88

Affected Products

Vendor	Product	Versions
go-git_project	go-git	< 5.13.0

References

Advisories & Patches

https://github.com/go-git/go-git/security/advisories/GHSA-v725-9546-7q7m

Frequently Asked Questions

What is CVE-2025-21613? +

go-git is a highly extensible git implementation library written in pure Go. An argument injection vulnerability was discovered in go-git versions prior to v5.13. Successful exploitation of this vulnerability could allow an attacker to set arbitrary values to git-upload-pack flags. This only happens when the file transport protocol is being used, as that is the only protocol that shells out to git binaries. This vulnerability is fixed in 5.13.0. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-21613? +

CVE-2025-21613 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-21613? +

CVE-2025-21613 affects products from go-git_project, specifically: go-git. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-21613? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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