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GHSA-rq6q-hjvh-5mwh: Flow Swift Mailer package Remote code execution

critical Affects neos/swiftmailer. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Flow Swift Mailer package Remote code execution

Package
neos/swiftmailer Composer
Affected versions
<5.4.5
Fixed in
5.4.5
Severity
critical
Exploitation
not on CISA KEV
Published
2024-05-17
Source
osv.dev

References

NVD recordneos/swiftmailer advisories

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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

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