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Advisory record · GHSA-vv5m-jxxh-4627

Insecure Preservation of SUID/SGID Bits during ZIP Extraction Leading to Potential Privilege Escalation

CVSS 7.3 High

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-vv5m-jxxh-4627 · RUSTSEC-2026-0367
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, versions before 9.0.0, keeps setuid, setgid and sticky bits from a ZIP archive's external attributes when extracting files. An attacker who supplies a crafted archive that a privileged process, such as root in an installer or CI pipeline, extracts can get setuid-root or setgid files created, which may lead to local privilege escalation. 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

ScoreRatingCVSSVectorSource
7.3 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H OSV
  • 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.