CVE-2026-59890

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.

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

EPSS

0.40% chance of exploitation in the next 30 days, 34th percentile

Published

2026-07-08

Proof-of-concept exploits (1)

• advisories/GHSA-h35f-9h28-mq5c

References

• CVE Record
• NVD entry

Related

• CVE-2026-5989
• CVE-2026-59892
• CVE-2026-59887
• CVE-2026-59893
• CVE-2026-5988
• CVE-2026-5990