CVE-2026-77337

Critical

Description

CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Versions before 2.11.2, from 3.0.0 through 3.3.6, and from 4.0.0 through 4.2.0 allow authentication bypass and potential CPU or memory exhaustion when CookieAuthenticator uses unencrypted, forgeable legacy tokens. This issue is fixed in versions 2.11.2, 3.3.7, and 4.2.1.

SeverityCritical

CVSS9.1

Exploit probability—

Product

Cakephp Authentication

PublishedAug 24, 2026

First seenAug 24, 2026

Weakness typeCWE-290CWE-290 CWE-770Allocation of resources without limits

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
cakephp authentication	< 2.11.2, >= 3.0.0, < 3.3.7, >= 4.0.0, < 4.2.1	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.