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Medium severity6.1OSV Advisory· Published Jul 8, 2026· Updated Jul 13, 2026

CVE-2026-59890

CVE-2026-59890

Description

setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns against on-disk file names without Unicode normalization, so on macOS APFS or HFS+ an NFD file name could bypass an NFC exclusion rule and be packed into a source distribution. This issue is fixed in version 83.0.0.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
setuptoolsPyPI
< 83.0.083.0.0

Affected products

152

Patches

Vulnerability mechanics

References

6

News mentions

0

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