GitHub Advisoryadvisory · Packagist

GHSA-hhpq-7wg4-36jm CakePHP Authentication: Open redirect weakness via backslash bypass

MEDIUM Published 2026-06-17 Modified 2026-08-14 Official page ↗
Aliases
CVE-2026-55590
Ecosystem
Packagist
Packages
cakephp/authentication
Severity
Moderate
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weaknesses
CWE-601
Reviewed
2026-06-17

Affected packages

• Packagist cakephp/authentication: >= 3.0.0, < 3.3.6 → fixed in 3.3.6 • Packagist cakephp/authentication: >= 4.0.0, < 4.1.1 → fixed in 4.1.1 • Packagist cakephp/authentication: < 2.11.1 → fixed in 2.11.1

Description

Impact The `getLoginRedirect()` method contains a weakness to backslash bypasses allowing redirect targets with attacker controlled hostnames. Patches 2.11.1, 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.

Related

Alias · CVE (1)

  • CVE-2026-55590 CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. vulnerability

Weakness · CWE (1)

  • CWE-601 URL Redirection to Untrusted Site weakness

References