UBUNTU-CVE-2026-119415
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Summary:
Details: 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://ubuntu.com/security/CVE-2026-119415, https://www.cve.org/CVERecord?id=CVE-2026-119415, 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, https://github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5, https://github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e, https://github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a, https://github.com/cakephp/cakephp/pull/19715, https://www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-formdatapart-content-type
Affected packages
Package
Name: cakephp
Purl: pkg:deb/ubuntu/cakephp?arch=source&distro=esm-apps-legacy%2Fxenial
Affected ranges
Type: ECOSYSTEM
Events:
