[ CVE-2026-119415 · Published 30 Oct 2026 ]
Vulnerability in cakephp
CVSS 3.7
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- abraxaslabs.tech/research/cakephp-attachment-crlf
- github.com/cakephp/cakephp
- github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Clien…
- github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Mes…
- github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2
- github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5
- github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e
- github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a
- github.com/cakephp/cakephp/pull/19715
- www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-formdatapa…