Common Weakness Enumeration
CWE-639
AllowedAuthorization Bypass Through User-Controlled Key
Abstraction: Base · Status: Incomplete
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
3202 vulnerabilities reference this CWE, most recent first.
CVE-2026-42947 (GCVE-0-2026-42947)
Vulnerability from cvelistv5 – Published: 2026-06-12 18:13 – Updated: 2026-06-12 19:01
VLAI
EPSS
VEX
Title
Naxclow IoT Platform Authorization bypass through User-Controlled key
Summary
A flaw in Naxclow's platform’s onboarding workflow allows an attacker to replay a confirm-then-bind sequence to silently reassign a device to an arbitrary account. Because the affected endpoints validate request signatures but do not confirm legitimate ownership, an attacker with any account can take over a device without user interaction while the device remains online and unaware.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Naxclow | Smart Doorbell X3 |
Affected:
All
|
|
| Naxclow | X Smart Home |
Affected:
All
|
|
| Naxclow | V720 |
Affected:
All
|
|
| Naxclow | ix cam |
Affected:
All
|
Date Public
2026-06-11 15:52
Credits
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CVE-2026-42889 (GCVE-0-2026-42889)
Vulnerability from cvelistv5 – Published: 2026-05-12 19:30 – Updated: 2026-05-13 12:32
VLAI
EPSS
VEX
Title
Relay Server WebSocket authentication bypass when token is omitted
Summary
Relay adds real-time collaboration to Obsidian. Relay Server versions 0.9.0 through 0.9.6 contain an authentication bypass in the multi-document WebSocket endpoints. When authentication is configured, WebSocket connections without a token query parameter were incorrectly treated as having full server permissions. An unauthenticated network attacker who knows or guesses a document ID could connect to the document sync WebSocket and read or modify document contents without a valid document token. This vulnerability is fixed in 0.9.7.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/No-Instructions/relay-server/s… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| No-Instructions | relay-server |
Affected:
>= 0.9.0, < 0.9.7
|
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CVE-2026-42863 (GCVE-0-2026-42863)
Vulnerability from cvelistv5 – Published: 2026-06-08 15:29 – Updated: 2026-06-08 16:22
VLAI
EPSS
VEX
Title
Flowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow Reassignment
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, a mass assignment vulnerability exists in the chatflow update endpoint of FlowiseAI. The endpoint allows clients to modify server-controlled properties such as deployed, isPublic, workspaceId, createdDate, and updatedDate when updating a chatflow object. Due to missing server-side validation and authorization checks, an authenticated user can manipulate internal attributes of a chatflow and reassign it to another workspace. This allows cross-workspace resource reassignment and unauthorized modification of deployment and visibility settings. This issue has been patched in version 3.1.2.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
| https://github.com/FlowiseAI/Flowise/releases/tag… | x_refsource_MISC |
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CVE-2026-42862 (GCVE-0-2026-42862)
Vulnerability from cvelistv5 – Published: 2026-06-08 15:25 – Updated: 2026-06-08 15:51
VLAI
EPSS
VEX
Title
Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignment
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, a mass assignment vulnerability exists in the tool update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating a tool resource. Due to missing server-side validation and authorization checks, an attacker can manipulate the workspaceId field and reassign tools to arbitrary workspaces. This breaks tenant isolation in multi-workspace environments. This issue has been patched in version 3.1.2.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
| https://github.com/FlowiseAI/Flowise/releases/tag… | x_refsource_MISC |
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CVE-2026-42861 (GCVE-0-2026-42861)
Vulnerability from cvelistv5 – Published: 2026-06-08 15:25 – Updated: 2026-06-09 15:28
VLAI
EPSS
VEX
Title
Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reassignment
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, a mass assignment vulnerability exists in the variable update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating a variable resource. Due to missing server-side validation and authorization checks, an attacker can manipulate the workspaceId field and reassign variables to arbitrary workspaces. This behavior may break tenant isolation in multi-workspace environments. This issue has been patched in version 3.1.2.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
| https://github.com/FlowiseAI/Flowise/releases/tag… | x_refsource_MISC |
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CVE-2026-42736 (GCVE-0-2026-42736)
Vulnerability from cvelistv5 – Published: 2026-05-27 09:49 – Updated: 2026-05-27 10:52
VLAI
EPSS
VEX
Title
WordPress BP Better Messages plugin <= 2.14.16 - Insecure Direct Object References (IDOR) vulnerability
Summary
Authorization Bypass Through User-Controlled Key vulnerability in wordplus BP Better Messages bp-better-messages allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects BP Better Messages: from n/a through <= 2.14.16.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wordplus | BP Better Messages |
Affected:
0 , ≤ 2.14.16
(custom)
|
Date Public
2026-05-27 11:08
Credits
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CVE-2026-42725 (GCVE-0-2026-42725)
Vulnerability from cvelistv5 – Published: 2026-05-27 09:49 – Updated: 2026-05-27 10:53
VLAI
EPSS
VEX
Title
WordPress Checkout Files Upload for WooCommerce plugin <= 2.2.5 - Insecure Direct Object References (IDOR) vulnerability
Summary
Authorization Bypass Through User-Controlled Key vulnerability in WP Wham Checkout Files Upload for WooCommerce checkout-files-upload-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Checkout Files Upload for WooCommerce: from n/a through <= 2.2.5.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WP Wham | Checkout Files Upload for WooCommerce |
Affected:
0 , ≤ 2.2.5
(custom)
|
Date Public
2026-05-27 11:08
Credits
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CVE-2026-42609 (GCVE-0-2026-42609)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:03 – Updated: 2026-05-14 17:56
VLAI
EPSS
VEX
Title
Grav: Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
| https://github.com/getgrav/grav/commit/c66dfeb5ff… | x_refsource_MISC |
| https://github.com/getgrav/grav/commit/d904efc33e… | x_refsource_MISC |
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CVE-2026-42572 (GCVE-0-2026-42572)
Vulnerability from cvelistv5 – Published: 2026-05-14 16:58 – Updated: 2026-05-15 18:05
VLAI
EPSS
VEX
Title
Hatchet: Cross-tenant information disclosure in `listTasksByDAGIds`
Summary
Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.83.39, a missing authorization directive on the GET /api/v1/stable/dags/tasks endpoint caused Hatchet's tenant-membership check to be skipped for this route. A user authenticated to any tenant on the same Hatchet instance could query the endpoint with another tenant's UUID and a DAG UUID belonging to that tenant, and receive task metadata for that DAG. This vulnerability is fixed in 0.83.39.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/hatchet-dev/hatchet/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hatchet-dev | hatchet |
Affected:
< 0.83.38
|
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CVE-2026-42517 (GCVE-0-2026-42517)
Vulnerability from cvelistv5 – Published: 2026-04-29 08:30 – Updated: 2026-04-29 12:14
VLAI
EPSS
VEX
Title
Cryptographic Failure Vulnerability in e-Sushrut HMIS
Summary
This vulnerability exists in e-Sushrut due to the use of reversible Base64 encoding for protecting sensitive data. An authenticated attacker could exploit this vulnerability by decoding and manipulating Base64-encoded parameters in the request URL to gain unauthorized access to sensitive information on the targeted system.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cert-in.org.in/s2cMainServlet?pageid=… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CDAC-Noida | e-Sushrut, Hospital Management Information System (HMIS) |
Affected:
Previous versions
(custom)
|
Credits
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Mitigation
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Mitigation
Architecture and Design
Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Mitigation
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
No CAPEC attack patterns related to this CWE.