CVE-2025-22873
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.
- Published Feb 4, 2026
- CVSS 3.8 low
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available