Fix CVE-2026-29786: Update tar to patch hardlink vulnerability

[JanPokorny]

Summary

Updates the tar package override in pnpm-workspace.yaml to version 7.5.10 to address CVE-2026-29786 / GHSA-qffp-2rhf-9h96, a hardlink path traversal vulnerability via drive-relative linkpath. This dependency is transitively included via mintlify → @mintlify/previewing.

Linked Issues

Documentation

• No Docs Needed: This is a security patch for a transitive dependency with no API or behavior changes affecting users.

https://claude.ai/code/session_01LpHvg7gvwzGesRa3h5PFh6

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on enhancing the project's security posture by patching a critical hardlink path traversal vulnerability found in the tar package. The change involves updating the tar dependency to a secure version through a pnpm override, which in turn triggered necessary updates across several related transitive dependencies. This ensures that the application is protected from the identified CVE without introducing functional changes.

Highlights

• Security Vulnerability Fix: Addressed CVE-2026-29786 (GHSA-qffp-2rhf-9h96), a hardlink path traversal vulnerability in the tar package.
• Dependency Override: Implemented a pnpm override to force the tar package to version 7.5.10, which contains the security patch.
• Transitive Dependency Update: The tar dependency is transitively included via mintlify -> @mintlify/previewing, and its update necessitated several other dependency updates in the lockfile.
• Lockfile Updates: Updated pnpm-lock.yaml to reflect the new tar version and its updated sub-dependencies, including chownr, minipass, minizlib, and yallist, and the addition of @isaacs/fs-minipass.

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Changelog

• pnpm-lock.yaml
  • Updated @carbon/react from 1.101.0 to 1.102.0.
  • Added an override for tar@<7.5.10 to enforce version 7.5.10.
  • Added @isaacs/fs-minipass@4.0.1 as a new package entry.
  • Updated chownr from version 2.0.0 to 3.0.0.
  • Removed fs-minipass@2.1.0 package entry.
  • Removed minipass@3.3.6 and minipass@5.0.0 package entries.
  • Updated minizlib from version 2.1.2 to 3.1.0.
  • Removed mkdirp@1.0.4 package entry.
  • Updated tar from version 6.1.15 to 7.5.10, along with its sub-dependencies.
  • Updated yallist from version 4.0.0 to 5.0.0.
  • Adjusted snapshot entries to reflect the updated dependency tree for tar and its sub-dependencies.
• pnpm-workspace.yaml
  • Added a new override entry for tar@<7.5.10 to enforce version 7.5.10, including comments referencing the CVE and its transitive nature.

Activity

• No human activity has been recorded on this pull request yet.

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[gemini-code-assist]

Code Review

This pull request correctly addresses the tar package vulnerability (GHSA-qffp-2rhf-9h96) by adding a pnpm override to enforce version 7.5.10. The changes in the lockfile are consistent with this override. I've added one comment to correct a typo in the CVE number within a code comment for better accuracy and future tracking.

[gemini-code-assist]

There appears to be a typo in the CVE number. The year should be 2024, not 2026. Correcting this will improve the accuracy of the security vulnerability tracking within the codebase.

  # Fix CVE-2024-29786 / GHSA-qffp-2rhf-9h96: tar hardlink path traversal via drive-relative linkpath
  # Transitive via mintlify -> @mintlify/previewing
  "tar@<7.5.10": "7.5.10"