CVE-2026-39819: Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go

Overview

Severity
Medium (CVSS 5.3)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-May
Released
2026-05-10
Last Updated
2026-06-23
EPSS Score
0.18% (percentile: 7.6%)

Affected Products (7)

Other

  • 21203-17084
  • 21206-17084
  • 18315-17084
  • 21021-17084
  • 21411-17084
  • 21423-17084

Open Source Software

  • azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0

Revision History

  • 2026-05-10: Information published.
  • 2026-05-11: Information published.
  • 2026-05-13: Information published.
  • 2026-05-19: Information published.
  • 2026-06-03: Information published.
  • 2026-06-23: Information published.