GHSA-5vv7-j593-mgjc: Neos Flow Arbitrary file upload and XML External Entity processing

medium Affects neos/flow. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Neos Flow Arbitrary file upload and XML External Entity processing

Package
neos/flow Composer
Affected versions
>=2.3.0 and <2.3.7 or >=3.0.0 and <3.0.1
Fixed in
2.3.7, 3.0.1
Severity
medium
Exploitation
not on CISA KEV
Published
2024-05-17
Source
osv.dev

References

NVD recordneos/flow 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