[GHSA-469j-vmhf-r6v7] Correct NLTK affected and fixed versions - #9207
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[GHSA-469j-vmhf-r6v7] Correct NLTK affected and fixed versions#9207luis63e wants to merge 1 commit into
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August 26, 2026 01:44
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Summary
Correct the affected range for GHSA-469j-vmhf-r6v7 by replacing
last_affected: 3.9.2withfixed: 3.9.4.The current record treats every version after 3.9.2 as unaffected. NLTK 3.9.3 still accepts parent-directory references in downloader package metadata, while 3.9.4 is the first release that rejects them.
Evidence
The upstream advisory identifies 3.9.4 as the patched version:
The validation was introduced by the upstream fix commit, which is absent from 3.9.3 and included in 3.9.4:
Both releases are published on PyPI:
A controlled constructor-level check using isolated installations produced:
subdir="../../tmp"../../tmp/safe.zip../../tmp/safe.zipValueErrorThis check exercises the vulnerable metadata validation boundary without downloading or writing a file.
Validation
python3 -m json.tool: passedgit diff --check: passedChange
One file:
advisories/github-reviewed/2026/03/GHSA-469j-vmhf-r6v7/GHSA-469j-vmhf-r6v7.jsonmodifiedfor this advisory revision.last_affected: 3.9.2withfixed: 3.9.4so 3.9.3 remains affected and 3.9.4 is recorded as the first fixed release.