{"items":[{"id":"NVI-00016076","kind":"vulnerability","title":"setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h35f-9h28-mq5c","CVE-2026-59890"],"plain_summary":"GitHub lists this reviewed advisory for setuptools. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-054544878ba3b1a6c72111cca02ebd5f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-21T19:09:21.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-17db212b0eeff98849fb5b42ceadaa53"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.405%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.34948. Missing scores are unknown.","source_id":"sr-054544878ba3b1a6c72111cca02ebd5f"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-17db212b0eeff98849fb5b42ceadaa53","url":"https://github.com/advisories/GHSA-h35f-9h28-mq5c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-h35f-9h28-mq5c","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:39.734Z"},{"id":"sr-054544878ba3b1a6c72111cca02ebd5f","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-59890","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.055Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-17db212b0eeff98849fb5b42ceadaa53"],"technology":"setuptools","known_exclusions":[],"conditions_summary":"## Summary\n\nWhen building a source distribution (`python -m build --sdist` / `setup.py sdist`), setuptools' `FileList` applies `MANIFEST.in` directives (`exclude`, `global-exclude`, `recursive-exclude`, `prune`) by matching a compiled glob against on-disk file names **byte-for-byte, with no Unicode normalization**. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a `MANIFEST.in` rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the `.tar.gz` and, if published, uploaded to the public, immutable PyPI index.\n\n## Details\n\nFile names in `FileList.files` come from `os.walk` (`setuptools/_distutils/filelist.py`, `_find_all_simple`), so on APFS a file written NFD is offered to the matcher in NFD, while the `MANIFEST.in` pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:\n\n```python\n# setuptools/command/egg_info.py  (FileList.global_exclude)\ndef global_exclude(self, pattern):\n    match = translate_pattern(os.path.join('**', pattern))   # fnmatch.translate -> regex, no NFC/","public_affected_ranges":["< 83.0.0"]}],"null_published_at":"2026-11-06T07:24:11.257Z","source_updated_at":"2026-07-21T19:09:21.000Z","source_disclosed_at":"2026-07-21T19:09:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-03T22:34:39.734Z"},{"id":"NVI-00016076","kind":"vulnerability","title":"setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h35f-9h28-mq5c","CVE-2026-59890"],"plain_summary":"GitHub lists this reviewed advisory for setuptools. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-17db212b0eeff98849fb5b42ceadaa53"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-21T19:09:21.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-17db212b0eeff98849fb5b42ceadaa53"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-17db212b0eeff98849fb5b42ceadaa53","url":"https://github.com/advisories/GHSA-h35f-9h28-mq5c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-h35f-9h28-mq5c","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:39.734Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-17db212b0eeff98849fb5b42ceadaa53"],"technology":"setuptools","known_exclusions":[],"conditions_summary":"## Summary\n\nWhen building a source distribution (`python -m build --sdist` / `setup.py sdist`), setuptools' `FileList` applies `MANIFEST.in` directives (`exclude`, `global-exclude`, `recursive-exclude`, `prune`) by matching a compiled glob against on-disk file names **byte-for-byte, with no Unicode normalization**. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a `MANIFEST.in` rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the `.tar.gz` and, if published, uploaded to the public, immutable PyPI index.\n\n## Details\n\nFile names in `FileList.files` come from `os.walk` (`setuptools/_distutils/filelist.py`, `_find_all_simple`), so on APFS a file written NFD is offered to the matcher in NFD, while the `MANIFEST.in` pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:\n\n```python\n# setuptools/command/egg_info.py  (FileList.global_exclude)\ndef global_exclude(self, pattern):\n    match = translate_pattern(os.path.join('**', pattern))   # fnmatch.translate -> regex, no NFC/","public_affected_ranges":["< 83.0.0"]}],"null_published_at":"2026-11-04T10:04:27.880Z","source_updated_at":"2026-07-21T19:09:21.000Z","source_disclosed_at":"2026-07-21T19:09:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-03T22:34:39.734Z"}],"next_cursor":null,"snapshot_revision":"42594"}