{"affected":[{"defaultStatus":"unaffected","ecosystem":"composer","packageName":"cakephp/cakephp","product":"cakephp","source":"CNA: VulnCheck","vendor":"cakephp","versions":[{"lessThanOrEqual":"5.4.3","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-119415","cwes":["CWE-93"],"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.","epss":{"date":"2026-11-03","percentile":0.31001,"score":0.0037},"exploits":[],"kev":null,"metrics":[{"score":6.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":3.7,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1793758772675,"publishedAt":1793359848078,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a"},{"source":"CNA: VulnCheck","tags":["patch","issue-tracking"],"url":"https://github.com/cakephp/cakephp/pull/19715"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Client/FormDataPart.php#L200"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Message.php#L1181"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://abraxaslabs.tech/research/cakephp-attachment-crlf"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/cakephp/cakephp"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-formdatapart-content-type"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/cakephp/cakephp/pull/19715"}],"revision":"28e4a564e7055ff645747946c1e535819a0f597140e3113b61a314c37fa7abe5","sources":[{"modifiedAt":1793758772675,"name":"CNA: VulnCheck","retrievedAt":1793761728780,"url":"https://www.cve.org/CVERecord?id=CVE-2026-119415"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793761742689,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-119415"}],"ssvc":{"assessedAt":1793758738329,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CakePHP through 5.4.3 MIME Header Injection via FormDataPart Content-Type","updatedAt":1793761742689}