gix-fs: Symlink prefix-reuse allows worktree escape during checkout — CVE-2026-44471

Summary

### Summary A malicious tree can be constructed that will, when checked out with gitoxide, permit writing an attacker-controlled symlink into any existing directory the user has write access to. ### Details During checkout, all symlink index entries are deferred and created after regular files using a single shared `gix_worktree::Stack`. Internally, this uses a `gix_fs::Stack`.…

Product

rust: gix-fs

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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