Bug 2498155 (CVE-2026-59890) - CVE-2026-59890 setuptools: setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD)
Summary: CVE-2026-59890 setuptools: setuptools: MANIFEST.in exclusion bypass in sdist ...
Keywords:
Status: NEW
Alias: CVE-2026-59890
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-08 17:02 UTC by OSIDB Bzimport
Modified: 2026-07-10 20:52 UTC (History)
114 users (show)

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Description OSIDB Bzimport 2026-07-08 17:02:27 UTC 
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.
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