User Impersonation Affecting cakephp/authentication package, versions <2.11.2>=3.0.0, <3.3.7>=4.0.0, <4.2.1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-PHP-CAKEPHPAUTHENTICATION-19428447
- published29 Aug 2026
- disclosed25 Aug 2026
- creditUnknown
Introduced: 25 Aug 2026
NewCVE-2026-77337 (opens in a new tab)How to fix?
Upgrade cakephp/authentication to version 2.11.2, 3.3.7, 4.2.1 or higher.
Overview
Affected versions of this package are vulnerable to User Impersonation in the CookieAuthenticator process when unencrypted, forgeable legacy tokens are used. An attacker can gain unauthorized access or cause CPU or memory exhaustion by crafting and submitting malicious authentication tokens.