DebugKit: MailPreview contains unsafe reflection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-54614
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-26 16:16:28 UTC
Updated2026-08-26 16:16:28 UTC
DescriptionDebugKit provides a debugging toolbar for CakePHP applications. Prior to 4.10.3 and 5.2.4, the DebugKit MailPreview feature in src/Controller/MailPreviewController.php accepts a route-controlled previewName value in findPreview and passes the resolved class from App::className() to constructor execution without rejecting namespace separators or verifying that the class extends DebugKit\Mailer\MailPreview. An attacker able to access DebugKit while debug mode is enabled and the request hostname is local or allowlisted can select an unintended application class through the mail-preview preview route, resulting in arbitrary constructor execution and limited disclosure of application information. This issue is fixed in versions 4.10.3 and 5.2.4.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem Types: CWE-470 | CWE-470 CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cakephp Debug Kit affected < 4.10.3 Not specified
CNA Cakephp Debug Kit affected >= 5.0.0, < 5.2.4 Not specified

References

ReferenceSourceLinkTags
github.com/cakephp/debug_kit/releases/tag/5.2.4 [email protected] github.com
github.com/cakephp/debug_kit/security/advisories/GHSA-p46m-g734-vpc4 [email protected] github.com
github.com/cakephp/debug_kit/pull/1078 [email protected] github.com
github.com/cakephp/debug_kit/commit/7c4d85e984c2334b0f50cd02578a927ff964... [email protected] github.com
github.com/cakephp/debug_kit/commit/c8a2a9e07d56a5e212d95f6947f370f3b5e6... [email protected] github.com
github.com/cakephp/debug_kit/releases/tag/4.10.3 [email protected] github.com
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