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Advisory record · GHSA-4v9h-p7m9-rh26

zip: `ZipArchive::extract` creates symbolic links whose attacker-controlled targets are outside the destination directory

No CVSS score

Published by the GitHub Advisory Database at 9 Oct 2026, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
zipcrates.io>=0.0.0-0, <9.0.09.0.0
Identifiers
GHSA-4v9h-p7m9-rh26 · RUSTSEC-2026-0368
Published
9 Oct 2026
Updated
16 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The zip crate before 9.0.0 creates symbolic links in ZipArchive::extract after checking only the entry path, not the link target. A malicious archive can create links that point outside the destination, and later reads or writes through them access those external targets. Upgrade to zip 9.0.0 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:24 UTC First seen by agentprime
  2. 31 Oct 2026, 14:24 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.