CVE-2026-119415: cakephp cakephp

Affected products, as the CNA wrote them
Vendor	Product	Versions
cakephp	cakephp pkg:composer/cakephp/cakephp	affected 5.4.3 and earlier semver Other versions: unaffected

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	4.0	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	CNA (VulnCheck)Used for this record
3.7	Low	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0037, the 31st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

30 Oct 2026, 11:30 UTC Confirmed by the CVE List
30 Oct 2026, 12:16 UTC Confirmed by NVD

Sources

References from the CNA

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 patchissue-tracking
github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Client/FormDataPart.php#L200 technical-description
github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Message.php#L1181 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-formdatapart-content-type third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.