Vulnerability Details CVE-2026-39822
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 14.0%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-39822
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cpe:2.3:a:golang:go:1.24.0
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cpe:2.3:a:golang:go:1.24.1
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cpe:2.3:a:golang:go:1.24.10
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cpe:2.3:a:golang:go:1.24.11
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cpe:2.3:a:golang:go:1.24.12
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cpe:2.3:a:golang:go:1.24.13
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cpe:2.3:a:golang:go:1.24.2
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cpe:2.3:a:golang:go:1.24.3
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cpe:2.3:a:golang:go:1.24.4
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cpe:2.3:a:golang:go:1.24.5
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cpe:2.3:a:golang:go:1.24.6
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cpe:2.3:a:golang:go:1.24.7
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cpe:2.3:a:golang:go:1.24.8
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cpe:2.3:a:golang:go:1.24.9
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cpe:2.3:a:golang:go:1.25.0
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cpe:2.3:a:golang:go:1.25.1
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cpe:2.3:a:golang:go:1.25.10
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cpe:2.3:a:golang:go:1.25.11
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cpe:2.3:a:golang:go:1.25.2
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cpe:2.3:a:golang:go:1.25.3
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cpe:2.3:a:golang:go:1.25.4
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cpe:2.3:a:golang:go:1.25.5
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cpe:2.3:a:golang:go:1.25.6
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cpe:2.3:a:golang:go:1.25.7
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cpe:2.3:a:golang:go:1.25.8
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cpe:2.3:a:golang:go:1.25.9
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