CVE-2026-45755
2 advisories.
Packagist/symfony/mailtrap-mailer CVE-2026-45755: medium
Symfony's Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC — Unauthenticated Webhook Event Injection
Action: Upgrade symfony/mailtrap-mailer to 7.4.12 or later.
composer require symfony/mailtrap-mailer:7.4.12composer require symfony/mailtrap-mailer:8.0.12Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.2.0 | 7.4.12 | - |
| 8.0.0 | 8.0.12 | - |
Fixed versions
| 7.4.12 | 8.0.12 |
Sources
- osv: GHSA-59f3-vp2f-mp9w
- https://github.com/symfony/symfony/security/advisories/GHSA-59f3-vp2f-mp9w
- https://github.com/symfony/symfony/commit/4e0467e4e182cf2e704a3d9e1bc1a6be65d52ab8
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/mailtrap-mailer/CVE-2026-45755.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45755.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45755
CVE-2026-45755 · published · modified · JSON
Packagist/symfony/symfony CVE-2026-45755: medium
Symfony's Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC — Unauthenticated Webhook Event Injection
Action: Upgrade symfony/symfony to 7.4.12 or later.
composer require symfony/symfony:7.4.12composer require symfony/symfony:8.0.12Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.2.0 | 7.4.12 | - |
| 8.0.0 | 8.0.12 | - |
Fixed versions
| 7.4.12 | 8.0.12 |
Sources
- osv: GHSA-59f3-vp2f-mp9w#Packagist/symfony/symfony
- https://github.com/symfony/symfony/security/advisories/GHSA-59f3-vp2f-mp9w
- https://github.com/symfony/symfony/commit/4e0467e4e182cf2e704a3d9e1bc1a6be65d52ab8
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/mailtrap-mailer/CVE-2026-45755.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45755.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45755
CVE-2026-45755 · published · modified · JSON