CVE-2025-22873

LowCVSS 3.8/10Last modified Jun 17, 2026

Description

It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../". For example, Root.Open("../") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent.

Metrics

CVSS 3.1 3.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Weakness enumeration

CWE-23

Affected software

No affected versions have been published.

Timeline

Published: Feb 4, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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