CVE-2026-119415
LOW
NVD
CVSS Score
3.7
Severity
LOW
Published
Oct 30, 2026
Vendor
unknown
Description
CakePHP through 5.4.3 contains a header injection vulnerability in FormDataPart that allows attackers to inject MIME part headers via unsanitized Content-Type and Content-ID values. Attackers can supply CR/LF sequences in attachment MIME types or Content-IDs passed to Message::setAttachments() or HTTP client multipart data to add arbitrary headers or content.
References
- https://abraxaslabs.tech/research/cakephp-attachment-crlf
- https://github.com/cakephp/cakephp
- https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Client/FormDataPart.php#L200
- https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Message.php#L1181
- https://github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2