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
EPSS Score
0.35% (percentile: 27.6%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 1 repositories

Affected Products (1)

Open Source Software

  • azl3 packer 1.9.5-18 on Azure Linux 3.0

Revision History

  • 2026-08-11: Information published.