VulnerabilityRUSTSEC-2026-0297 · unzip
RUSTSEC-2026-0297: `unzip`: archive extraction is vulnerable to path traversal (zip-slip)
Short answerA security vulnerability in the unzip crate: `unzip`: archive extraction is vulnerable to path traversal (zip-slip). No severity score was published. No fixed version: replace the crate or remove the affected code path.
| Crate | unzip |
|---|---|
| Type | Vulnerability (code-execution) |
| Affected versions | Every version. |
| Fixed in | none |
| Severity | not scored |
| Published | 2026-09-09 |
| Last changed | 2026-09-21 |
| Also known as | none |
| Affected functions | unzip::Unzipper::unzip |
What to do
- Find who pulls it in:
cargo tree -i unzip. - Avoid the affected API (
unzip::Unzipper::unzip), or replace the crate.
Details from the advisory
Summary
Unzipper::unzip extracts each archive entry to a path built from the entry's **raw, attacker-controlled name** without any traversal check. A ZIP archive whose entry names contain ../ components (or an absolute path) can therefore cause files to be written **outside** the destination directory chosen by the caller , a "zip-slip" / directory-traversal arbitrary file write (CWE-22 / CWE-23 / CWE-36).
Affected versions
All published versions are affected. unzip has only ever released 0.1.0 (published 2017-12-23) and appears unmaintained, so **no fixed version is available**.
Proof of concept
A malicious archive with a single entry named ../ESCAPED.txt extracted via Unzipper::unzip writes ESCAPED.txt one level above the destination directory.
References
- Package: crates.io/crates/unzip
- Advisory: rustsec.org/advisories/RUSTSEC-2026-0297.html
- Package: crates.io/crates/unzip
From the RustSec Advisory Database (CC0-1.0) via the OSV export, downloaded Oct 24, 2026. Severity score computed from the published CVSS vector.
Other advisories for unzip
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