Vulnerability Description
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 their respective release lines, custom mail headers added with Message::setHeaders() or Message::addHeaders() do not have CRLF bytes removed, allowing header injection when user-controlled data is used in message headers. This issue is fixed in versions 4.5.12, 4.6.5, 5.1.8, 5.2.14, and 5.3.7.
Related Weaknesses (CWE)
References
- https://github.com/cakephp/cakephp/commit/08188962bcd99a95da1e49f62e786f2d688f1e
- https://github.com/cakephp/cakephp/commit/2afe42b02d8ddc5d442bca5e8bb61910a72764
- https://github.com/cakephp/cakephp/commit/3e09dae6cbdc983754fa3a8e6aae74da102a3e
- https://github.com/cakephp/cakephp/commit/b67b622457362b075bb37e625a82af73a0b3c9
- https://github.com/cakephp/cakephp/security/advisories/GHSA-2qh5-382h-3jpc
FAQ
What is CVE-2026-77634?
CVE-2026-77634 is a documented vulnerability. 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 their respective release lines, custom mail headers added with Message::setHeaders() or M...
How severe is CVE-2026-77634?
CVSS scoring is not yet available for CVE-2026-77634. Check NVD for updates.
Is there a patch for CVE-2026-77634?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.