CVE-2026-47212: Symfony: Twilio SMS Notifier allows unauthenticated webhook injection due to missing X-Twilio-Signature verification

medium Affects symfony/symfony, symfony/twilio-notifier. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Symfony: Twilio SMS Notifier allows unauthenticated webhook injection due to missing X-Twilio-Signature verification

Package
symfony/symfony Composer
Affected versions
>=6.4.0 and <6.4.40 or >=7.0.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12
Fixed in
6.4.40, 7.4.12, 8.0.12
Severity
medium
Exploitation
not on CISA KEV · EPSS 2% (74.3th percentile)
Published
2026-05-29
Source
osv.dev

References

Symfony: Twilio SMS Notifier allows unauthenticated webhook injection due to missing X-Twilio-Signature verification

Package
symfony/twilio-notifier Composer
Affected versions
>=6.4.0 and <6.4.40 or >=7.0.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12
Fixed in
6.4.40, 7.4.12, 8.0.12
Severity
medium
Exploitation
not on CISA KEV · EPSS 2% (74.3th percentile)
Published
2026-05-29
Source
osv.dev

References

CWE-306CWE-347
NVD recordsymfony/symfony advisoriessymfony/twilio-notifier advisories

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