CRLF Injection Affecting cakephp/cakephp package, versions >=4.5.0, <4.5.12>=4.6.0, <4.6.5>=5.0.0, <5.1.9>=5.2.0, <5.2.14>=5.3.0, <5.3.7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-CAKEPHPCAKEPHP-19428440
- published29 Aug 2026
- disclosed24 Aug 2026
- creditUnknown
Introduced: 24 Aug 2026
NewCVE-2026-77634 (opens in a new tab)How to fix?
Upgrade cakephp/cakephp to version 4.5.12, 4.6.5, 5.1.9, 5.2.14, 5.3.7 or higher.
Overview
cakephp/cakephp is a rapid development framework for PHP which uses commonly known design patterns like Associative Data Mapping, Front Controller, and MVC.
Affected versions of this package are vulnerable to CRLF Injection via the setHeaders or addHeaders functions. An attacker can inject arbitrary headers by supplying specially crafted input containing CRLF bytes in user-controlled data used for message headers.