Vulnerability in Cakephp
CVE-2026-119415
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.
Vulnerability class: CRLF Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5 (patch)
- github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2 (patch)
- github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e (patch)
- github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a (patch)
- github.com/cakephp/cakephp/pull/19715 (issue-tracking, patch)
- github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Ht… (technical-description)
- github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Ma… (technical-description)
- abraxaslabs.tech/research/cakephp-attachment-crlf (third-party-advisory)
- github.com/cakephp/cakephp (product)
- www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-fo… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119415?
- CVE-2026-119415 is a low-severity vulnerability in Cakephp, classified under CRLF Injection. CVSS score: 3.7/10. Published 2026-10-30.
- How severe is CVE-2026-119415?
- Low severity. CVSS v3 base score is 3.7 out of 10.