PT-2026-86651 · Undefined · Undefined
CVE-2026-84973
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Published
2026-09-07
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Updated
2026-09-09
None
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Interesting GitHub Security Lab disclosure: same-second TOCTOU in jupyterlab/maintainer-tools update-snapshots-checkout (CVE-2026-84973).
Race between checkout and snapshot update. Window is measured in the same second the workflow runs.
Classic TOCTOU, but in a maintainer tooling path that many projects inherit.
#AppSec #SupplyChain
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Related Identifiers
Affected Products
Undefined