CVE-2026-48747
2 advisories.
Packagist/symfony/mailomat-mailer CVE-2026-48747: medium, EPSS 0.25%
Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade
Action: Upgrade symfony/mailomat-mailer to 7.4.13 or later.
composer require symfony/mailomat-mailer:7.4.13composer require symfony/mailomat-mailer:8.0.13Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.2.0 | 7.4.13 | - |
| 8.0.0 | 8.0.13 | - |
Fixed versions
| 7.4.13 | 8.0.13 |
Sources
- osv: GHSA-rrj9-5q2j-4gvr
- https://github.com/symfony/symfony/security/advisories/GHSA-rrj9-5q2j-4gvr
- https://github.com/symfony/symfony/commit/bdfe9fe0d94d33dfaca0bc2fe0b00b54767b0c88
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/mailomat-mailer/CVE-2026-48747.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-48747.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-48747
CVE-2026-48747 · published · modified · JSON
Packagist/symfony/symfony CVE-2026-48747: medium, EPSS 0.25%
Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade
Action: Upgrade symfony/symfony to 7.4.13 or later.
composer require symfony/symfony:7.4.13composer require symfony/symfony:8.0.13Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.2.0 | 7.4.13 | - |
| 8.0.0 | 8.0.13 | - |
Fixed versions
| 7.4.13 | 8.0.13 |
Sources
- osv: GHSA-rrj9-5q2j-4gvr#Packagist/symfony/symfony
- https://github.com/symfony/symfony/security/advisories/GHSA-rrj9-5q2j-4gvr
- https://github.com/symfony/symfony/commit/bdfe9fe0d94d33dfaca0bc2fe0b00b54767b0c88
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/mailomat-mailer/CVE-2026-48747.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-48747.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-48747
CVE-2026-48747 · published · modified · JSON