CVE-2026-55590MEDIUMCVSS 0.0

CakePHP Authentication: Open redirect weakness via backslash bypass

Published Jun 17, 2026·Updated Jun 20, 2026

Description

### Impact The `getLoginRedirect()` method contains a weakness to backslash bypasses allowing redirect targets with attacker controlled hostnames. ### Patches 3.3.6 and 4.1.1 contain a fix for this issue. ### Workarounds If you are unable to upgrade, you should consider adding application validation to the redirect query string parameter to mitigate this vulnerability.

Affected Packages (1)

cakephp/authenticationCOMPOSER
Fixed in 3.3.6

References

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