{"id":"CVE-2026-119415","title":"CakePHP through 5.4.3 MIME Header Injection via FormDataPart Content-Type","summary":"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…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-93"],"vendor":"cakephp","product":"cakephp","affected":["cakephp <= 5.4.3"],"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T11:30:48.078Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119415","references":[{"url":"https://github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5"},{"url":"https://github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2"},{"url":"https://github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e"},{"url":"https://github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a"},{"url":"https://github.com/cakephp/cakephp/pull/19715"},{"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Client/FormDataPart.php#L200"},{"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Message.php#L1181"},{"url":"https://abraxaslabs.tech/research/cakephp-attachment-crlf"},{"url":"https://github.com/cakephp/cakephp"},{"url":"https://www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-formdatapart-content-type","label":"VulnCheck Advisory: CakePHP through 5.4.3 MIME Header Injection via FormDataPart Content-Type"}],"tags":["cve.org"],"epss":0.0037,"epssPercentile":0.30949,"ingestedAt":"2026-11-03T10:42:03.639Z","slug":"CVE-2026-119415","body":"## Overview\n\nCakePHP 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.\n\n## Affected\n\n- `cakephp <= 5.4.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}