{"id":"RUSTSEC-2026-0367","aliases":["GHSA-vv5m-jxxh-4627"],"title":" Insecure Preservation of SUID/SGID Bits during ZIP Extraction Leading to Potential Privilege Escalation","summary":" Insecure Preservation of SUID/SGID Bits during ZIP Extraction Leading to Potential Privilege Escalation","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","vendor":"zip","product":"zip","ecosystem":"rust","affected":["zip >= 0.0.0-0, < 9.0.0"],"patched":["zip 9.0.0"],"published":"2026-10-09","updated":"2026-10-16","sourceUpdated":"2026-10-16T23:30:02.392172556Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0367","references":[{"url":"https://crates.io/crates/zip"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0367.html"}],"tags":["osv","rust"],"ingestedAt":"2026-10-17T11:50:15.359Z","slug":"RUSTSEC-2026-0367","body":"## Overview\n\nThe `zip` crate preserves privileged Unix permission bits (SUID, SGID, and sticky bits) from ZIP `external_attributes` during extraction, instead of masking them to safe permission bits. If a privileged process (for example, `root` in an installer, CI/CD pipeline, or container build) extracts an attacker-controlled ZIP archive using `ZipArchive::extract()` or the stream extraction API, files can be created as setuid-root or setgid. This behavior allows the creation of SUID/SGID files during extraction, which can lead to local privilege escalation depending on the execution environment.\n\nFor further details see: https://github.com/zip-rs/zip2/security/advisories/GHSA-vv5m-jxxh-4627\n\n## Affected packages\n\n- `zip >= 0.0.0-0, < 9.0.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `zip 9.0.0`","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}