VYPR
Unrated severityNVD Advisory· Published Feb 4, 2026· Updated Feb 5, 2026

Improper access to parent directory of root in os

CVE-2025-22873

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.

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Affected products

20

Patches

Vulnerability mechanics

References

4

News mentions

0

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