rubyzip Known Vulnerabilities & Fixes
rubyzip has 3 known security vulnerabilities in RubyGems (Ruby). Upgrade to version 3.4.0 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 3.4.0
Upgrading to 3.4.0 or later resolves all 3 known vulnerabilities in rubyzip. Run: gem install rubyzip -v 3.4.0
Is rubyzip in your project?
Check if you're affected and upgrade to 3.4.0 to stay secure.
Security Summary
- 3 affected version ranges have been identified across these 3 advisories.
- 100% of known issues have a published fixed version.
- Remediation: gem update rubyzip
Vulnerabilities
3 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Oct 24, 2017, most recently Sep 3, 2026 (3236 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2017-5946 Directory traversal vulnerability in RubyZip | CRITICAL | 0.5.11, 0.5.12, 0.5.7, 0.5.8 (+19 more) | 1.2.1 |
| CVE-2018-1000544 Rubyzip gem contains a Directory Traversal vulnerability in zip file component | CRITICAL | 0.5.11, 0.5.12, 0.5.7, 0.5.8 (+20 more) | 1.2.2 |
| CVE-2026-85396 rubyzip path traversal vulnerability | HIGH | 0.5.11, 0.5.12, 0.5.7, 0.5.8 (+45 more) | 3.4.0 |
About This Data
Vulnerability data for rubyzip is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related RubyGems (Ruby) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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