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CVE-2026-39817

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-39817

Severity

5.9

Medium

CVSS V3

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Summary

Invoking "go tool pack" does not sanitize output paths in cmd/go

Description

The "go tool pack" subcommand (usually used only by the compiler as an internal tool with known-good inputs) does not sanitize output filenames. Extracting a malicious archive file with the "pack" subcommand can write files to arbitrary locations on the filesystem.

Affected packages

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