GHSA-96jg-pmc4-cx39: TYPO3 CMS Insecure Deserialization

high Affects typo3/cms-core. Feed 2026.10.29.4, updated 2026-10-29; published 2024-05-30; advisory modified 2024-12-05.

TYPO3 CMS Insecure Deserialization

Package: typo3/cms-core Composer
Affected versions: >=8.5.0 and <8.7.17 or >=9.0.0 and <9.3.1
Fixed in: 8.7.17, 9.3.1
Severity: high CVSS 7.5
Exploitation: not on CISA KEV
Published: 2024-05-30
Source: osv.dev

References

CWE-502

NVD record typo3/cms-core advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2018-14041 medium Bootstrap Cross-site Scripting vulnerability same package: typo3/cms-core
CVE-2019-11832 high TYPO3 Image Processing susceptible to Code Execution same package: typo3/cms-core
CVE-2013-1842 high TYPO3 SQL injection vulnerability in the Extbase Framework same package: typo3/cms-core
CVE-2008-2717 medium TYPO3 Unrestricted File Upload vulnerability same package: typo3/cms-core
CVE-2013-1843 medium TYPO3 Open redirect vulnerability in the Access tracking mechanism same package: typo3/cms-core
CVE-2019-10912 high Deserialization of untrusted data in Symfony same package: typo3/cms-core