CVE-2026-77634: CakePHP: SmtpTransport vulnerable to CRLF header injection
Custom mail headers added with Message::setHeaders() or addHeaders() do not have CRLF replaced allowing header injection if user controlled data is added to message headers without stripping CRLF bytes.
References
- github.com/advisories/GHSA-2qh5-382h-3jpc
- github.com/cakephp/cakephp/commit/08188962bcd99a95da1e49f62e786f2d688f1e41
- github.com/cakephp/cakephp/commit/2afe42b02d8ddc5d442bca5e8bb61910a727646e
- github.com/cakephp/cakephp/commit/3e09dae6cbdc983754fa3a8e6aae74da102a3ea1
- github.com/cakephp/cakephp/commit/b67b622457362b075bb37e625a82af73a0b3c9c3
- github.com/cakephp/cakephp/security/advisories/GHSA-2qh5-382h-3jpc
- nvd.nist.gov/vuln/detail/CVE-2026-77634
Code Behaviors & Features
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