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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.

16471 vulnerabilities reference this CWE, most recent first.

CVE-2026-70483 (GCVE-0-2026-70483)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:54 – Updated: 2026-08-05 19:03
VLAI
Title
Open WebUI: Any authenticated user can cancel another user's chat generation via the chat delete endpoint
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/{id} cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any authenticated user who knew another user's chat id could abort that user's running model response, title generation, or tag generation, even though the delete was refused and no chat data was deleted, modified, or disclosed. This issue is fixed in 0.11.0.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 19:02 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.9.6, < 0.11.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-70481 (GCVE-0-2026-70481)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:45 – Updated: 2026-08-05 14:29
VLAI
Title
Open WebUI: Any member with write access to a standard channel can edit or delete other members' messages
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.0, the standard channel message update and delete handlers accepted any caller holding write access on the channel without checking that the caller wrote the message. Because write access is the same grant a member needs to post, any ordinary participant in a shared standard channel could rewrite or permanently delete another participant message, while group and direct message handlers enforced authorship. This issue is fixed in 0.11.0.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:37 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.5.0, < 0.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70475 (GCVE-0-2026-70475)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:18 – Updated: 2026-08-04 19:37
VLAI
Title
Flowise: Missing Authorization on Execution Update Endpoint
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the PUT /api/v1/executions/:id endpoint in packages/server/src/routes/executions/index.ts lacks the checkAnyPermission() middleware that protects other execution endpoints. Any authenticated user, regardless of assigned permissions, can modify execution state, data, and metadata of any execution in their workspace, enabling privilege escalation and manipulation of workflow execution results. This issue is fixed in 3.1.3.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 19:37 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70473 (GCVE-0-2026-70473)

Vulnerability from cvelistv5 – Published: 2026-08-04 17:56 – Updated: 2026-08-04 19:32
VLAI
Title
Flowise: Information Disclosure in GET /api/v1/upsert-history returns the entire server-wide upsert history
Summary
Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows. Prior to 3.1.3, Flowise GET /api/v1/upsert-history returns the entire server-wide upsert history instead of being scoped to the requesting user, tenant, or workspace. The response can exceed 100MB and includes sensitive configuration data, including Vector Store settings such as Qdrant Server URL and collection name. The observed behavior indicates missing or insufficient authorization checks, workspace/project/tenant isolation, and pagination or limits, exposing integration parameters and infrastructure details that may enable further targeted attacks. This issue is fixed in version 3.1.3.
Severity
8.3 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:H/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 19:32 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-202 - Exposure of Sensitive Information Through Data Queries
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.3
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70340 (GCVE-0-2026-70340)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:05 – Updated: 2026-09-11 16:48
VLAI
Title
Azure CycleCloud Elevation of Privilege Vulnerability
Summary
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 03:59 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft Azure CycleCloud 8.9.1 Affected: 1.0.0 , < 8.9.1 (custom)
    cpe:2.3:a:microsoft:azure_cyclecloud:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website
To clipboard 

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CVE-2026-70178 (GCVE-0-2026-70178)

Vulnerability from cvelistv5 – Published: 2026-09-03 22:59 – Updated: 2026-09-11 19:36 Exclusively Hosted Service
VLAI
Title
Microsoft Fabric Elevation of Privilege Vulnerability
Summary
Missing authorization in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 00:00 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft Fabric Affected: -
    cpe:2.3:a:microsoft:microsoft_fabric:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-69724 (GCVE-0-2026-69724)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:13 – Updated: 2026-09-11 19:39
VLAI
Title
Microsoft Office SharePoint Remote Code Execution Vulnerability
Summary
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:22 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft SharePoint Server Subscription Edition Affected: 16.0.0 , < 16.0.20326.20090 (custom)
    cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-69641 (GCVE-0-2026-69641)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:12 – Updated: 2026-09-11 19:39
VLAI
Title
Microsoft Exchange Server Elevation of Privilege Vulnerability
Summary
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:20 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-69553 (GCVE-0-2026-69553)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:11 – Updated: 2026-09-11 19:38
VLAI
Title
Windows Hyper-V Elevation of Privilege Vulnerability
Summary
Missing authorization in Windows Hyper-V allows an authorized attacker to elevate privileges over a network.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:24 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7725 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7725 (custom)
Create a notification for this product.
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7582 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9445 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9445 (custom)
Create a notification for this product.
Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.2954 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9245 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5622 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33438 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33438 (custom)
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-69465 (GCVE-0-2026-69465)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:17 – Updated: 2026-09-11 19:44
VLAI
Title
Microsoft Office SharePoint Remote Code Execution Vulnerability
Summary
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:22 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft SharePoint Server Subscription Edition Affected: 16.0.0 , < 16.0.20326.20074 (custom)
    cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
Create a notification for this product.
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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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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