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CVE-2025-21613 — Vulnerability in gopkg.in/src-d/go-git.v4 — CVE...

CRITICAL

go-git has an Argument Injection via the URL field

Published January 6, 2025Updated September 10, 2026Source: osv

Summary

### Impact 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](https://git-scm.com/docs/git-upload-pack). This only happens when the `file` transport protocol is being used, as that is the only protocol that shells out to `git` binaries. ### Affected versions Users running versions of `go-git` from `v4` and above are recommended to upgrade to `v5.13` in order to mitigate this vulnerability. ### Workarounds In cases where a bump to the latest version of `go-git` is not possible, we recommend users to enforce restrict validation rules for values passed in the URL field. ## Credit Thanks to @vin01 for responsibly disclosing this vulnerability to us.

Advisory Timeline

  • First published January 6, 2025 (644 days ago).
  • Last revised September 10, 2026 — 611 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Go
Update github.com/go-git/go-git/v5 to 5.13.0 or later
go get github.com/go-git/go-git/v5@v5.13.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: go (2).

PackageEcosystemAffectedFixed In
gopkg.in/src-d/go-git.v4
go
All versionsRange-based data available
github.com/go-git/go-git/v5
go
All versions5.13.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2025-21613?
go-git has an Argument Injection via the URL field This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2025-21613?
CVE-2025-21613 affects gopkg.in/src-d/go-git.v4 and github.com/go-git/go-git/v5. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-21613 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-v725-9546-7q7m
GO-2025-3368

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