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CVE-2026-90840 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability was identified in PHPGurukul Blood Donor Management System 1.0. Affected is the function __construct of the file /application/controllers/admin/Dashboard.php of the component Admin Controllers. The manipulation leads to improper authentication. The attack can be initiated remotely. The exploit is publicly available and might be used.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/usernamevnq/CVEs/issues/1	[email protected]	ExploitIssue TrackingTechnical Analysis
https://phpgurukul.com/	[email protected]	ProductVendor
https://vuldb.com/cve/CVE-2026-90840	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/925615	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/403392	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/403392/cti	[email protected]	Content Wall

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
PHPGurukul Blood Donor Management System	1.0
CPE cpe:2.3:a:phpgurukul:blood_donor_management_system:::::::: Remediation Workaround:moderate effort Add the following constructor to all admin controllers that are missing it: function __construct(){ parent::__construct(); if(!$this->session->userdata('uid')) redirect('admin/login'); } Workaround:moderate effort Create a base admin controller (MY_Controller) that extends CI_Controller and enforces authentication in its constructor. Have all admin controllers extend Admin_Controller instead of CI_Controller: // application/core/Admin_Controller.php class Admin_Controller extends CI_Controller { function __construct(){ parent::__construct(); if(!$this->session->userdata('uid')) redirect('admin/login'); } } Then: class Dashboard extends Admin_Controller { ... } Workaround:moderate effort Audit all controllers for authentication consistency and ensure that authentication is consistently enforced. Workaround:moderate effort Implement role-based access control (RBAC) to ensure admin controllers check for admin role (not just any valid session) to prevent regular users from accessing admin functions. Workaround:moderate effort Regularly audit all controller entry points to verify authentication and authorization checks are in place and not accidentally commented out during development.

Product

Versions

PHPGurukul Blood Donor Management System

1.0

CPE

cpe:2.3:a:phpgurukul:blood_donor_management_system:*:*:*:*:*:*:*:*

Remediation

Workaround:moderate effort
Add the following constructor to all admin controllers that are missing it: function __construct(){ parent::__construct(); if(!$this->session->userdata('uid')) redirect('admin/login'); }
Workaround:moderate effort
Create a base admin controller (MY_Controller) that extends CI_Controller and enforces authentication in its constructor. Have all admin controllers extend Admin_Controller instead of CI_Controller: // application/core/Admin_Controller.php class Admin_Controller extends CI_Controller { function __construct(){ parent::__construct(); if(!$this->session->userdata('uid')) redirect('admin/login'); } } Then: class Dashboard extends Admin_Controller { ... }
Workaround:moderate effort
Audit all controllers for authentication consistency and ensure that authentication is consistently enforced.
Workaround:moderate effort
Implement role-based access control (RBAC) to ensure admin controllers check for admin role (not just any valid session) to prevent regular users from accessing admin functions.
Workaround:moderate effort
Regularly audit all controller entry points to verify authentication and authorization checks are in place and not accidentally commented out during development.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 15, 2026	CVE Modified	CISA-ADP
Sep 15, 2026	New CVE Received	[email protected]