CVE-2009-0815: TYPO3 leaks a hash secret in an error message

medium Affects typo3/cms. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

TYPO3 leaks a hash secret in an error message

Package
typo3/cms Composer
Affected versions
>=3.3 and <4.0.12 or >=4.1 and <4.1.10 or >=4.2 and <4.2.6
Fixed in
4.0.12, 4.1.10, 4.2.6
Severity
medium
Exploitation
not on CISA KEV · EPSS 42% (98.7th percentile)
Published
2022-05-02
Source
osv.dev

References

CWE-200CWE-209
NVD recordtypo3/cms 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