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

Overview

Severity

Medium (CVSS 6.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-11

Last Updated

2026-08-23

EPSS Score

0.46% (percentile: 37.1%)

Detection & Weaponization (1 sources)

Maturity: Exploit

• GitHub PoC: 1 repositories

Affected Products (1)

Other

• 21666-17084

Revision History

• 2026-08-11: Information published.
• 2026-08-23: Information published.