cveboard RSS feed

CVE-2026-48747

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2026
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

symfony

Vendor
symfony
Product
symfony
Platforms
Unknown
Default status
Unknown
symfony · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
>= 7.2.0, < 7.4.12affectedUnavailableUnavailableUnavailableNone listed
>= 8.0.0-BETA1, < 8.0.13affectedUnavailableUnavailableUnavailableNone listed

mailomat-mailer

Vendor
symfony
Product
mailomat-mailer
Platforms
Unknown
Default status
Unknown
mailomat-mailer · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
>= 7.2.0, < 7.4.12affectedUnavailableUnavailableUnavailableNone listed
>= 8.0.0-BETA1, < 8.0.13affectedUnavailableUnavailableUnavailableNone listed