security/20260731 1135 - #78
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danieljustus
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Jul 31, 2026
danieljustus
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- fix(security): reject extracted paths escaping the extraction dir
- docs: add social preview image, audit/prerelease reports, adopt notes
The extract package validates archive entry names, but the extracted path returned to updateapply flows into os.Chmod and os.Rename. Add a defense-in-depth containment check on the extracted path before it reaches those file system operations, so a parent-directory reference can never escape the extraction directory. Closes alert #3. Rule: go/zipslip.
Refs security/20260731-1135 Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
danieljustus
marked this pull request as ready for review
August 1, 2026 11:44
danieljustus
enabled auto-merge (squash)
August 1, 2026 11:44
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