What’s Vulnerable › Vulnerabilities
CVE-2026-45571: go-git: Crafted repositories may modify main and submodule .git directories
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-27 · updated 2026-06-17
- Weakness: CWE-22
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.
Affected products
- go-git: before 5.19.1; 6.0.0-alpha1, 6.0.0-alpha2, 6.0.0-alpha3 — fixed in 5.19.1
How to fix
Upgrade to a fixed version: go-git 5.19.1. Check the vendor advisory for mitigations.
References
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