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High severity7.8NVD Advisory· Published Jul 8, 2026· Updated Sep 17, 2026

CVE-2026-39822

CVE-2026-39822

Description

On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

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Affected products

4818

Patches

Vulnerability mechanics

References

4

News mentions

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