CVE-2025-22873 — Improper access to parent directory of root in os
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 t…
Published: 2026-02-04 · CVSS: 3.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7