CVE-2026-119415

medium

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.

References

https://www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-formdatapart-content-type

https://github.com/cakephp/cakephp/pull/19715

https://github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a

https://github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e

https://github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5

https://github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2

https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Message.php#L1181

https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Client/FormDataPart.php#L200

https://github.com/cakephp/cakephp

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113795

https://abraxaslabs.tech/research/cakephp-attachment-crlf

Details

Source: Mitre, NVD

Published: 2026-10-30

Updated: 2026-10-30

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Low

CVSS v4

Base Score: 6.3

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

Severity: Medium

EPSS

EPSS: 0.0037