CVE-2026-55590
CakePHP: Open redirect weakness via backslash bypass
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.
INFO
Published Date :
July 9, 2026, 7:17 p.m.
Last Modified :
July 13, 2026, 5:09 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-55590.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-55590 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-55590
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-55590 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-55590 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:* versions up to (excluding) 2.11.1 *cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.3.6 *cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 4.1.1 Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d Types: Patch Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c Types: Patch Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/pull/795 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/pull/796 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/pull/799 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/releases/tag/2.11.1 Types: Release Notes Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/releases/tag/3.3.6 Types: Release Notes Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/releases/tag/4.1.1 Types: Release Notes Added Reference Type GitHub, Inc.: https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 09, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-55590', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-09T19:18:05.336526Z'} -
New CVE Received by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'cakephp', 'product': 'authentication', 'versions': [{'status': 'affected', 'version': '< 2.11.1'}, {'status': 'affected', 'version': '>= 3.0.0, < 3.3.6'}, {'status': 'affected', 'version': '>= 4.0.0, < 4.1.1'}]}] Added 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. Added CVSS V4.0 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:X/V:X/RE:X/U:X Added CWE CWE-601 Added Reference https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273 Added Reference https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d Added Reference https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c Added Reference https://github.com/cakephp/authentication/pull/795 Added Reference https://github.com/cakephp/authentication/pull/796 Added Reference https://github.com/cakephp/authentication/pull/799 Added Reference https://github.com/cakephp/authentication/releases/tag/2.11.1 Added Reference https://github.com/cakephp/authentication/releases/tag/3.3.6 Added Reference https://github.com/cakephp/authentication/releases/tag/4.1.1 Added Reference https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm