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2 vulnerabilities found for mailomat-mailer by symfony
CVE-2026-48747 (GCVE-0-2026-48747)
Vulnerability from nvd – Published: 2026-07-14 19:16 – Updated: 2026-07-15 14:22
VLAI
EPSS
VEX
Title
Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade
Summary
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature() parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hash_hmac(), allowing a signature algorithm downgrade instead of enforcing Mailomat's documented SHA-256 webhook signature. This issue is fixed in versions 7.4.13 and 8.0.13.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/symfony/symfony/security/advis… | x_refsource_CONFIRM |
| https://github.com/symfony/symfony/commit/bdfe9fe… | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v7.4.13 | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v8.0.13 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| symfony | symfony |
Affected:
>= 7.2.0, < 7.4.12
Affected: >= 8.0.0-BETA1, < 8.0.13 |
|
| symfony | mailomat-mailer |
Affected:
>= 7.2.0, < 7.4.12
Affected: >= 8.0.0-BETA1, < 8.0.13 |
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CVE-2026-48747 (GCVE-0-2026-48747)
Vulnerability from cvelistv5 – Published: 2026-07-14 19:16 – Updated: 2026-07-15 14:22
VLAI
EPSS
VEX
Title
Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade
Summary
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature() parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hash_hmac(), allowing a signature algorithm downgrade instead of enforcing Mailomat's documented SHA-256 webhook signature. This issue is fixed in versions 7.4.13 and 8.0.13.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/symfony/symfony/security/advis… | x_refsource_CONFIRM |
| https://github.com/symfony/symfony/commit/bdfe9fe… | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v7.4.13 | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v8.0.13 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| symfony | symfony |
Affected:
>= 7.2.0, < 7.4.12
Affected: >= 8.0.0-BETA1, < 8.0.13 |
|
| symfony | mailomat-mailer |
Affected:
>= 7.2.0, < 7.4.12
Affected: >= 8.0.0-BETA1, < 8.0.13 |
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