CVE-2025-22873 – Improper access to parent directory of root in os

CVE ID : CVE-2025-22873

Published : Feb. 4, 2026, 11:05 p.m. | 13 minutes ago

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.

Severity: 0.0 | NA

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