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    CVE-2026-119417

    CakePHP 4.5.12, 4.6.5, 5.1.8 through 5.1.10, 5.2.14 through 5.2.15, 5.3.7, and 5.4.0 through 5.4.3 contain an email header injection vulnerability because SmtpTransport and MailTransport strip only CRLF pairs from header values, an incomplete fix for CVE-2026-77634. Attackers controlling custom headers set via Message::setHeaders() or Message::addHeaders() can insert a bare CR or LF to inject headers like Bcc, redirecting or altering outgoing mail.

    Published:Oct 30, 2026
    Last Modified:Oct 30, 2026
    EPS:Oct 30, 2026
    EPSS Score:
    CVSS Score:3.7

    Affected Products

    Vendor
    Cakephp
    Product
    Cakephp

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-15 Command Delimiters
    CAPEC-81 Web Server Logs Tampering

    Related CVEs

    CVE-2026-119419 (CVSS 9.2) — CakePHP through 5.4.3 contains an sql injection vulnerability that allows attackers to inject SQL by supplying…
    CVE-2026-119418 (CVSS 9.2) — CakePHP through 5.4.3 contains an sql injection vulnerability that allows attackers to inject SQL by supplying…
    CVE-2026-119416 (CVSS 6.3) — CakePHP through 5.4.3 contains an improper cookie domain validation vulnerability in the Http Client CookieCol…
    CVE-2026-119415 (CVSS 6.3) — CakePHP through 5.4.3 contains a header injection vulnerability in FormDataPart that allows attackers to injec…
    CVE-2026-79752 (CVSS 9.2) — CakePHP is a rapid development framework for PHP. Prior to 4.5.12, 4.6.5, 5.1.9, 5.2.14, and 5.3.7, FunctionsB…
    CVE-2026-77634 (CVSS 8.2) — CakePHP is a rapid development framework for PHP. Prior to versions 4.5.12, 4.6.5, 5.1.8, 5.2.14, and 5.3.7 on…
    CVE-2026-77635 (CVSS 9.2) — CakePHP is a rapid development framework for PHP. Prior to versions 5.1.10, 5.2.15, and 5.3.7 on their respect…
    CVE-2026-48820 (CVSS 6.3) — CakePHP is a rapid development framework for PHP. In versions 4.5.11 and earlier, 4.6.0 through 4.6.3, 5.0.0 t…
    CVE-2026-23643 (CVSS 5.4) — CakePHP is a rapid development framework for PHP. The PaginatorHelper::limitControl() method has a cross-site-…
    CVE-2023-22727 (CVSS 9.8) — CakePHP is a development framework for PHP web apps. In affected versions the `Cake\Database\Query::limit()` a…

    References

    https://abraxaslabs.tech/research/cakephp-smtp-crlf
    https://github.com/cakephp/cakephp
    https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Transport/MailTransport.php#L57
    https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Transport/SmtpTransport.php#L574
    https://github.com/cakephp/cakephp/commit/2b9326ca3f17b2e940c6c9f50d821e9929c00f39
    https://github.com/cakephp/cakephp/commit/3b997318539c48a423b77651c61c9f229cbf9e33
    https://github.com/cakephp/cakephp/commit/773587406a29eedc2e0031e12683b08e112cc538
    https://github.com/cakephp/cakephp/commit/e5936b286cc389b1497fd9b675a2133ba9ac557d
    https://github.com/cakephp/cakephp/pull/19695
    https://github.com/cakephp/cakephp/security/advisories/GHSA-2qh5-382h-3jpc
    https://www.vulncheck.com/advisories/cakephp-through-5.4.3-email-header-injection-via-bare-cr-lf-in-smtptransport-and-mailtransport

    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