CVE-2026-39822

HighCVSS 7.8/10Last modified Oct 25, 2026

Description

On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-61

Affected software

No affected versions have been published.

Timeline

Published: Jul 8, 2026
Last modified: Oct 25, 2026
NVD status: Analyzed

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