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Database

Cross-site request forgery In cakephp/authentication

Description

CakePHP Authentication: Open redirect weakness via backslash bypass

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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

Aliases

1. CVE-2026-555902. NVD-2026-555903. OSV-2026-555904. GHSA-hhpq-7wg4-36jm5. GCVE-2026-55590

References

1. https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm2. https://github.com/cakephp/authentication/pull/7953. https://github.com/cakephp/authentication/pull/7964. https://github.com/cakephp/authentication/pull/7995. https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a82736. https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d7. https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c8. https://github.com/cakephp/authentication/releases/tag/2.11.19. https://github.com/cakephp/authentication/releases/tag/3.3.610. https://github.com/cakephp/authentication/releases/tag/4.1.1

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