High severityNVD Advisory· Published Aug 24, 2026· Updated Sep 9, 2026
CVE-2026-77634
CVE-2026-77634
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
cakephp/cakephpPackagist | >= 4.5.0, < 4.5.12 | 4.5.12 |
cakephp/cakephpPackagist | >= 4.6.0, < 4.6.5 | 4.6.5 |
cakephp/cakephpPackagist | >= 5.0.0, < 5.1.9 | 5.1.9 |
cakephp/cakephpPackagist | >= 5.2.0, < 5.2.14 | 5.2.14 |
cakephp/cakephpPackagist | >= 5.3.0, < 5.3.7 | 5.3.7 |
Affected products
1Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-2qh5-382h-3jpcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-77634ghsaADVISORY
- github.com/cakephp/cakephp/commit/08188962bcd99a95da1e49f62e786f2d688f1e41nvdWEB
- github.com/cakephp/cakephp/commit/2afe42b02d8ddc5d442bca5e8bb61910a727646envdWEB
- github.com/cakephp/cakephp/commit/3e09dae6cbdc983754fa3a8e6aae74da102a3ea1nvdWEB
- github.com/cakephp/cakephp/commit/b67b622457362b075bb37e625a82af73a0b3c9c3nvdWEB
- github.com/cakephp/cakephp/security/advisories/GHSA-2qh5-382h-3jpcnvdWEB
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