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CVE-2026-4562

High

CWE-287 — Weakness Type

                    Published: Mar 23, 2026                      ·  Modified: Mar 29, 2026                      ·  Source: NVD                

CVSS v3

7.3

🔗 NVD Official

📄 Description (English)

A security flaw has been discovered in MacCMS 2025.1000.4052. This affects an unknown part of the file application/api/controller/Timming.php of the component Timming API Endpoint. The manipulation results in missing authentication. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

🤖 AI Executive Summary

CVE-2026-4562 is a critical authentication bypass vulnerability in MacCMS 2025.1000.4052 affecting the Timming API endpoint. The flaw allows unauthenticated remote attackers to access sensitive functionality without proper credentials. With a CVSS score of 7.3 and public exploit availability, this poses an immediate threat to organizations using affected MacCMS versions.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 6, 2026 06:56

🇸🇦 Saudi Arabia Impact Assessment

This vulnerability primarily impacts Saudi organizations using MacCMS for content management, particularly in government digital services, healthcare information systems, and e-commerce platforms. Government agencies under NCA oversight and SAMA-regulated financial institutions using MacCMS for customer-facing portals face elevated risk. The authentication bypass could enable unauthorized access to sensitive data, API manipulation, and potential lateral movement within organizational networks.

🏢 Affected Saudi Sectors

Government Digital Services Banking and Financial Services Healthcare E-commerce Telecommunications Education

🎯 MITRE ATT&CK Techniques

T1190 - Exploit Public-Facing Application T1566 - Phishing T1589 - Gather Victim Identity Information T1110 - Brute Force T1078 - Valid Accounts T1526 - Reconnaissance

⚖️ Saudi Risk Score (AI)

8.2

/ 10.0

🔧 Remediation Steps (English)

IMMEDIATE ACTIONS:

1. Identify all MacCMS 2025.1000.4052 instances in your environment

2. Isolate affected systems from public internet access immediately

3. Implement network-level access controls restricting access to Timming API endpoint (/application/api/controller/Timming.php)

4. Enable comprehensive API logging and monitoring



COMPENSATING CONTROLS (until patch available):

5. Deploy Web Application Firewall (WAF) rules to block unauthenticated requests to Timming API

6. Implement API gateway authentication layer requiring valid tokens

7. Apply IP whitelisting for legitimate API consumers

8. Enforce VPN/zero-trust access for all API interactions



DETECTION:

9. Monitor for HTTP requests to /application/api/controller/Timming.php without valid authentication headers

10. Alert on successful API responses from unauthenticated sources

11. Track unusual API parameter manipulation attempts



PATCHING:

12. Contact MacCMS vendor for security patch timeline

13. Prepare upgrade plan to patched version immediately upon release

14. Test patches in isolated environment before production deployment

🔧 خطوات المعالجة (العربية)

الإجراءات الفورية:

1. تحديد جميع نسخ MacCMS 2025.1000.4052 في بيئتك

2. عزل الأنظمة المتأثرة عن الإنترنت العام فوراً

3. تطبيق عناصر تحكم الوصول على مستوى الشبكة لتقييد الوصول إلى نقطة نهاية Timming API

4. تفعيل تسجيل ومراقبة API شاملة

عناصر التحكم التعويضية (حتى توفر التصحيح):

5. نشر قواعد جدار حماية تطبيقات الويب (WAF) لحظر الطلبات غير المصرح بها إلى Timming API

6. تطبيق طبقة مصادقة بوابة API تتطلب رموز صحيحة

7. تطبيق القائمة البيضاء للعناوين IP للمستهلكين الشرعيين

8. فرض الوصول عبر VPN/zero-trust لجميع تفاعلات API

الكشف:

9. مراقبة طلبات HTTP إلى /application/api/controller/Timming.php بدون رؤوس مصادقة صحيحة

10. تنبيهات على استجابات API الناجحة من مصادر غير مصرح بها

11. تتبع محاولات معالجة معاملات API غير العادية

التصحيح:

12. الاتصال بمورد MacCMS لمعرفة جدول زمني لتصحيح الأمان

13. تحضير خطة ترقية إلى النسخة المصححة فوراً عند الإصدار

14. اختبار التصحيحات في بيئة معزولة قبل نشر الإنتاج

📋 Regulatory Compliance Mapping

🟢 NCA ECC 2024

ECC 2024 A.9.2.1 - User registration and access management ECC 2024 A.9.4.3 - Password management systems ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.12.6.1 - Management of technical vulnerabilities

🔵 SAMA CSF

SAMA CSF 1.1 - Governance and Risk Management SAMA CSF 2.1 - Access Control and Authentication SAMA CSF 2.2 - Cryptography and Key Management SAMA CSF 3.1 - Detection and Analysis

🟡 ISO 27001:2022

ISO 27001:2022 A.5.15 - Access control ISO 27001:2022 A.8.3 - Cryptography ISO 27001:2022 A.14.2 - Secure development ISO 27001:2022 A.12.6 - Management of technical vulnerabilities

🟣 PCI DSS v4.0.1

PCI DSS 2.1 - Default security parameters PCI DSS 6.2 - Security patches and updates PCI DSS 7.1 - Access control implementation

🔗 References & Sources 4

🔗

https://github.com/HuajiHD/CVE/issues/9

cna@vuldb.com

🔗

https://vuldb.com/?ctiid.352399

cna@vuldb.com

🔗

https://vuldb.com/?id.352399

cna@vuldb.com

🔗

https://vuldb.com/?submit.775039

cna@vuldb.com

📊 CVSS Score

7.3

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityL — Low / Local

IntegrityL — Low / Local

AvailabilityL — Low / Local

📋 Quick Facts

Severity High

CVSS Score7.3

CWECWE-287

Exploit No

Patch ✗ No

Published 2026-03-23

Source Feed nvd

🇸🇦 Saudi Risk Score

8.2

/ 10.0 — Saudi Risk

Priority: CRITICAL

🏷️ Tags

CWE-287

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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CVE-2026-4562

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