CVE-2026-39817: Invoking "go tool pack" does not sanitize output paths in cmd/go

Overview

Severity

Medium (CVSS 5.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-10

EPSS Score

0.02% (percentile: 5.0%)

Affected Products (2)

Other

• 21203-17084
• 21206-17084

Revision History

• 2026-05-10: Information published.