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Vulnerability record · CVE-2026-55590 · published 9 July 2026

CVE-2026-55590: Cakephp open redirect vulnerability

Cakephp · Cakephp

CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Prior to 2.11.1, 3.3.6, and 4.1.1, the getLoginRedirect() method contains a weakness to backslash bypasses that allows redirect targets with attacker-controlled hostnames through the redirect query string parameter. This issue is fixed in versions 2.11.1, 3.3.6, and 4.1.1.

5.1 CVSS 4.0 Medium EPSS 0.49% · top 60.3% CWE-601 · Open redirect
5.1CVSS 4.0 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
13 Jul 2026Last modified by NVD

Description

CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Prior to 2.11.1, 3.3.6, and 4.1.1, the getLoginRedirect() method contains a weakness to backslash bypasses that allows redirect targets with attacker-controlled hostnames through the redirect query string parameter. This issue is fixed in versions 2.11.1, 3.3.6, and 4.1.1.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273 Patch
https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d Patch
https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c Patch
https://github.com/cakephp/authentication/pull/795 Issue TrackingPatch
https://github.com/cakephp/authentication/pull/796 Issue TrackingPatch
https://github.com/cakephp/authentication/pull/799 Issue TrackingPatch
https://github.com/cakephp/authentication/releases/tag/2.11.1 Release Notes
https://github.com/cakephp/authentication/releases/tag/3.3.6 Release Notes
https://github.com/cakephp/authentication/releases/tag/4.1.1 Release Notes
https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-55590), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.