katello Known Vulnerabilities & Fixes
katello has 5 known security vulnerabilities in RubyGems (Ruby). Upgrade to version 4.21.0.rc1 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: 4.21.0.rc1
Upgrading to 4.21.0.rc1 or later resolves all 5 known vulnerabilities in katello. Run: gem install katello -v 4.21.0.rc1
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Check if you're affected and upgrade to 4.21.0.rc1 to stay secure.
Security Summary
- 6 affected version ranges have been identified across these 5 advisories.
- 100% of known issues have a published fixed version.
- Remediation: gem update katello
Vulnerabilities
5 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed May 14, 2022, most recently Jun 17, 2026 (1496 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2012-3503 Katello uses hard coded credential | CRITICAL | All versions | 1.0.6, 1.1.7 |
| CVE-2016-3072 Katello SQL Injection vulnerabilities | HIGH | 1.5.0, 2.2.2, 2.4.0, 2.4.0.rc1 (+4 more) | 2.4.3 |
| CVE-2026-12515 katello: missing repository authorization in content_uploads exposes cross-product content existence | MEDIUM | 1.5.0, 2.2.2, 2.4.0, 2.4.0.rc1 (+272 more) | 4.21.0.rc1 |
| CVE-2026-4324 Katello: Denial of Service and potential information disclosure via SQL injection | MEDIUM | 1.5.0, 2.2.2, 2.4.0, 2.4.0.rc1 (+266 more) | 4.19.1 |
| CVE-2018-16887 katello Cross-site Scripting vulnerability | MEDIUM | 1.5.0, 2.2.2, 2.4.0, 2.4.0.rc1 (+67 more) | 3.9.0 |
About This Data
Vulnerability data for katello 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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