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.
History

Tue, 25 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 24 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Cakephp
Cakephp cakephp
Vendors & Products Cakephp
Cakephp cakephp

Mon, 24 Aug 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title CakePHP: SmtpTransport vulnerable to CRLF header injection
Weaknesses CWE-93
References
Metrics cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-08-24T20:33:46.836Z

Updated: 2026-08-25T19:23:40.053Z

Reserved: 2026-08-20T20:52:01.927Z

Link: CVE-2026-77634

cve-icon Vulnrichment

Updated: 2026-08-25T18:32:33.699Z

cve-icon NVD

Status : Received

Published: 2026-08-24T21:17:48.307

Modified: 2026-08-25T20:17:06.770

Link: CVE-2026-77634

cve-icon Redhat

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