typo3/cms-core Known Vulnerabilities & Fixes
typo3/cms-core has 10 known security vulnerabilities in Packagist (PHP). Upgrade to version 14.3.3 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: 14.3.3
Upgrading to 14.3.3 or later resolves all 10 known vulnerabilities in typo3/cms-core. Run: composer require typo3/cms-core:^14.3.3
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Security Summary
- 39 affected version ranges have been identified across these 10 advisories.
- 100% of known issues have a published fixed version.
- Remediation: composer update typo3/cms-core
Vulnerabilities
10 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Sep 13, 2018, most recently Jun 12, 2026 (2829 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2019-19849 TYPO3 Insecure Deserialization in Query Generator & Query View | HIGH | v10.0.0, v10.1.0, v10.2.0, v8.7.10 (+43 more) | 10.2.1, 8.7.30, 9.5.12 |
| CVE-2026-11607 TYPO3 CMS has Broken Access Control in its Form Framework | HIGH | v10.0.0, v10.1.0, v10.2.0, v10.2.1 (+258 more) | 10.4.57, 11.5.51, 12.4.46 (+2 more) |
| CVE-2026-47346 TYPO3 CMS has Broken Access Control in its Form Framework | HIGH | v10.0.0, v10.1.0, v10.2.0, v10.2.1 (+258 more) | 10.4.57, 11.5.51, 12.4.46 (+2 more) |
| CVE-2023-24814 TYPO3 is vulnerable to Cross-Site Scripting via frontend rendering | HIGH | v12.0.0, v12.1.0, v12.1.1, v12.1.2 (+141 more) | 12.2.0, 11.5.23, 10.4.36 (+2 more) |
| CVE-2021-21355 Unrestricted File Upload in Form Framework | HIGH | v10.0.0, v10.1.0, v10.2.0, v10.2.1 (+52 more) | 10.4.14, 11.1.1, 9.5.25 |
| CVE-2026-49741 TYPO3 CMS has Privilege Escalation & SQL Injection in its Form Framework | HIGH | v14.0.0, v14.0.1, v14.0.2, v14.1.0 (+5 more) | 14.3.3 |
| CVE-2026-47343 TYPO3 CMS: Destructive Actions on File Mount Folders | HIGH | v10.0.0, v10.1.0, v10.2.0, v10.2.1 (+258 more) | 10.4.57, 11.5.51, 12.4.46 (+2 more) |
| CVE-2026-49740 TYPO3 CMS has Insecure Deserialization via Core API | MEDIUM | v10.0.0, v10.1.0, v10.2.0, v10.2.1 (+258 more) | 10.4.57, 11.5.51, 12.4.46 (+2 more) |
| CVE-2026-0859 TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool | MEDIUM | v14.0.0, v14.0.1, v13.0.0, v13.0.1 (+171 more) | 14.0.2, 13.4.23, 12.4.41 (+2 more) |
| CVE-2018-14041 Bootstrap Cross-site Scripting vulnerability | MEDIUM | v8.7.10, v8.7.11, v8.7.12, v8.7.13 (+25 more) | 8.7.23, 9.5.4 |
About This Data
Vulnerability data for typo3/cms-core 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 Packagist (PHP) Packages
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