Common Weakness Enumeration

CWE-862

Allowed-with-Review

Missing Authorization

Abstraction: Class · Status: Incomplete

API response cwe.mitre.org

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

14609 vulnerabilities reference this CWE, most recent first.

CVE-2026-27708 (GCVE-0-2026-27708)

Vulnerability from cvelistv5 – Published: 2026-06-24 19:24 – Updated: 2026-06-25 20:01
VLAI
Title
FOSSBilling: IDOR in Servicecustom Client API allows cross-client data access
Summary
FOSSBilling is a free, open-source billing and client management system. In versions 0.7.2 and prior, the Servicecustom Client API's __call method accepts an order_id parameter and fetches the associated order without verifying the authenticated client owns it, potentially exposing cross-client data through IDOR. An authenticated client can access any other client's custom service by guessing sequential order IDs. This can lead to a confidentiality breach — attackers can read client PII (name, email, phone, address, company details, VAT number) and service configuration data belonging to other clients. This issue has been fixed in version 0.8.0.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
FOSSBilling FOSSBilling Affected: < 0.8.0
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CVE-2026-27688 (GCVE-0-2026-27688)

Vulnerability from cvelistv5 – Published: 2026-03-10 00:18 – Updated: 2026-03-11 03:56
VLAI
Title
Missing Authorization check in SAP NetWeaver Application Server for ABAP
Summary
Due to a missing authorization check in SAP NetWeaver Application Server for ABAP, an authenticated attacker with user privileges could read Database Analyzer Log Files via a specific RFC function module. The attacker with the necessary privileges to execute this function module could potentially escalate their privileges and read the sensitive data, resulting in a limited impact on the confidentiality of the information stored. However, the integrity and availability of the system are not affected.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Vendor Product Version
SAP_SE SAP NetWeaver Application Server for ABAP Affected: SAP_BASIS 700
Affected: SAP_BASIS 701
Affected: SAP_BASIS 702
Affected: SAP_BASIS 710
Affected: SAP_BASIS 711
Affected: SAP_BASIS 730
Affected: SAP_BASIS 731
Affected: SAP_BASIS 740
Affected: SAP_BASIS 750
Affected: SAP_BASIS 751
Affected: SAP_BASIS 752
Affected: SAP_BASIS 753
Affected: SAP_BASIS 754
Affected: SAP_BASIS 755
Affected: SAP_BASIS 756
Affected: SAP_BASIS 757
Affected: SAP_BASIS 758
Affected: SAP_BASIS 816
Create a notification for this product.
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CVE-2026-27687 (GCVE-0-2026-27687)

Vulnerability from cvelistv5 – Published: 2026-03-10 00:18 – Updated: 2026-03-10 16:52
VLAI
Title
Missing Authorization check in SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal
Summary
Due to missing authorization check in SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal, a user with high privileges could access sensitive data belonging to another company. This vulnerability has a high impact on confidentiality and does not affect integrity and availability.
Severity
5.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Vendor Product Version
SAP_SE SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal Affected: S4HCMCPT 100
Affected: 101
Affected: 102
Affected: SAP_HRCPT 600
Affected: 604
Affected: 608
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Show details on NVD website
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CVE-2026-27686 (GCVE-0-2026-27686)

Vulnerability from cvelistv5 – Published: 2026-03-10 00:18 – Updated: 2026-03-10 16:52
VLAI
Title
Missing Authorization check in SAP Business Warehouse (Service API)
Summary
Due to a Missing Authorization Check in SAP Business Warehouse (Service API), an authenticated attacker could perform unauthorized actions via an affected RFC function module. Successful exploitation could enable unauthorized configuration and control changes, potentially disrupting request processing and causing denial of service. This results in low impact on integrity and high impact on availability, while confidentiality remains unaffected.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Vendor Product Version
SAP_SE SAP Business Warehouse (Service API) Affected: DW4CORE 200
Affected: 300
Affected: 400
Affected: PI_BASIS 2006_1_700
Affected: 701
Affected: 702
Affected: 730
Affected: 731
Affected: 740
Affected: SAP_BW 750
Affected: 751
Affected: 752
Affected: 753
Affected: 754
Affected: 755
Affected: 756
Affected: 757
Affected: 758
Affected: 816
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-27679 (GCVE-0-2026-27679)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:07 – Updated: 2026-04-14 13:14
VLAI
Title
Missing Authorization check in SAP S/4HANA Frontend OData Service (Manage Reference Structures)
Summary
Due to missing authorization checks in the SAP S/4HANA frontend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-27678 (GCVE-0-2026-27678)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:07 – Updated: 2026-04-14 13:14
VLAI
Title
Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)
Summary
Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-27677 (GCVE-0-2026-27677)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:07 – Updated: 2026-04-14 13:14
VLAI
Title
Missing Authorization check in SAP S/4HANA OData Service (Manage Reference Equipment)
Summary
Due to missing authorization checks in the SAP S/4HANA OData Service (Manage Reference Equipment), an attacker could update and delete child entities via OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-27676 (GCVE-0-2026-27676)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:07 – Updated: 2026-04-14 13:14
VLAI
Title
Missing Authorization check in SAP S/4HANA OData Service (Manage Technical Object Structures)
Summary
Due to missing authorization checks in the SAP S/4HANA OData Service (Manage Technical Object Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability results in a low impact on integrity, while confidentiality and availability are not impacted.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-27673 (GCVE-0-2026-27673)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:06 – Updated: 2026-04-14 13:14
VLAI
Title
Missing Authorization Check in SAP S/4HANA (Private Cloud and On-Premise)
Summary
Due to a missing authorization check, SAP S/4HANA (Private Cloud and On-Premise) allows an authenticated user to delete files on the operating system and gain unauthorized control over file operations which could leads to no impact on Confidentiality, Low impact on Integrity and Availability of the application.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Vendor Product Version
SAP_SE SAP S/4HANA (Private Cloud and On-Premise) Affected: S4CORE 105
Affected: 106
Affected: 107
Affected: 108
Affected: 109
Affected: FI-CA 606
Affected: 616
Affected: 617
Affected: 618
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-27672 (GCVE-0-2026-27672)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:06 – Updated: 2026-04-14 13:14
VLAI
Title
Missing Authorization check in Material Master Application
Summary
The Material Master application does not enforce authorization checks for authenticated users when executing reports, resulting in the disclosure of sensitive information. This vulnerability has a low impact on confidentiality and does not affect integrity and availability of the system.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
sap
References
Impacted products
Vendor Product Version
SAP_SE Material Master Application Affected: S4CORE 102
Affected: 103
Affected: 104
Affected: 105
Affected: 106
Affected: 107
Affected: 108
Affected: 109
Affected: SCM_BASIS 700
Affected: SCM_BASIS 701
Affected: SCM_BASIS 702
Affected: SCM_BASIS 712
Affected: SCM_BASIS 713
Affected: SCM_BASIS 714
Create a notification for this product.
Show details on NVD website
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Mitigation
Architecture and Design
  • Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
  • Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
Mitigation
Architecture and Design

Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].

Mitigation MIT-4.4
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
Mitigation
Architecture and Design
  • For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
  • One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
Mitigation
System Configuration Installation

Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.

CAPEC-665: Exploitation of Thunderbolt Protection Flaws

An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.

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