CVE-2026-119415

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    CVE-2026-119415

    Published: 30 Oct 2026Last Modified: 5 Nov 2026

    Summary: CakePHP through 5.4.3 MIME Header Injection via FormDataPart Content-Type

    Details: 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://abraxaslabs.tech/research/cakephp-attachment-crlf, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119415.json, https://nvd.nist.gov/vuln/detail/CVE-2026-119415, https://www.vulncheck.com/advisories/cakephp-through-5.4.3-mime-header-injection-via-formdatapart-content-type, https://github.com/cakephp/cakephp/commit/27263ae750a3cd8464a5db076f48a731c8283df2, https://github.com/cakephp/cakephp/commit/2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5, https://github.com/cakephp/cakephp/commit/c9a91149f04e2aee7faa30ed57d40f5b91d3f79e, https://github.com/cakephp/cakephp/commit/d66e016d2fd9667dd605b56e25fbb3df5365406a, https://github.com/cakephp/cakephp/pull/19715, https://github.com/cakephp/cakephp, https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Client/FormDataPart.php#L200, https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Message.php#L1181

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -2e54c227eaa4c0e0d5edd74931710fd4f8bc38b5

    Affected versions

    5.2.15
    5.2.14
    5.2.13
    5.2.12
    5.2.11
    5.2.10
    5.2.9
    5.2.8
    5.2.7
    5.2.6
    5.2.5
    5.2.4
    5.2.3
    5.2.2
    5.2.1
    5.2.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-119415 | CVE-DB