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Common Weakness Enumeration

CWE-639

Allowed

Authorization 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.

4002 vulnerabilities reference this CWE, most recent first.

CVE-2026-54746 (GCVE-0-2026-54746)

Vulnerability from cvelistv5 – Published: 2026-08-28 16:08 – Updated: 2026-08-28 20:20
VLAI
Title
Hatchet: Cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe
Summary
Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. From 0.40.0 until 0.91.1, the Dispatcher gRPC service does not verify that a request's worker ID belongs to the tenant identified by the bearer-token context in Dispatcher/UpsertWorkerLabels and Dispatcher/Unsubscribe. An authenticated owner of any tenant who guesses another tenant's worker UUID can overwrite that worker's affinity labels or disconnect the worker from the dispatcher. This can cause cross-tenant integrity impact and denial of service on multi-tenant Hatchet Cloud or shared self-hosted deployments. Single-tenant deployments are not practically affected because the attacker and target tenant are the same. This issue is fixed in version 0.91.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 20:20 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Impacted products
Vendor Product Version
hatchet-dev hatchet Affected: >= 0.40.0, < 0.91.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-54622 (GCVE-0-2026-54622)

Vulnerability from cvelistv5 – Published: 2026-08-20 18:06 – Updated: 2026-08-20 18:50
VLAI
Title
django CMS: Clipboard copy IDOR discloses unauthorized plugin content
Summary
django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 18:49 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
django-cms django-cms Affected: < 5.0.8
Create a notification for this product.
Show details on NVD website

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CVE-2026-54602 (GCVE-0-2026-54602)

Vulnerability from cvelistv5 – Published: 2026-07-07 21:24 – Updated: 2026-07-08 13:47
VLAI
Title
FastGPT: Cross-team LLM request/response disclosure (IDOR) via /api/core/ai/record/getRecord
Summary
FastGPT is a knowledge-based AI application platform. Prior to 4.15.0, GET /api/core/ai/record/getRecord authenticates the caller but loads LLM request and response traces only by requestId without team scoping, allowing any authenticated user to read another team's prompts, retrieved RAG chunks, and completions if the requestId is known. This issue is fixed in version 4.15.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 13:45 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
labring FastGPT Affected: < 4.15.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-54590 (GCVE-0-2026-54590)

Vulnerability from cvelistv5 – Published: 2026-07-08 20:36 – Updated: 2026-07-10 15:00
VLAI
Title
AsyncSSH AuthorizedKeysFile username substitution bypass through ~ and environment expansion
Summary
AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Version 2.23.0 contains an incomplete fix for CVE-2026-45309 in SSHServerConfig._set_tokens that blocks /, , and .. before %u substitution in AuthorizedKeysFile but does not block a leading ~ or ${ENV}, allowing later expansion in _expand_val and Path(filename).expanduser() to escape the intended authorized-keys directory. This issue is fixed in version 2.23.1.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 15:00 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
ronf asyncssh Affected: < 2.23.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-54568 (GCVE-0-2026-54568)

Vulnerability from cvelistv5 – Published: 2026-07-16 15:32 – Updated: 2026-07-16 18:03
VLAI
Title
Microsoft UFO: Missing Authorization in DEVICE_INFO_REQUEST Allows a DEVICE Client to Read Another Device's system_info
Summary
Microsoft UFO open-source framework for intelligent automation across devices and platforms. From 3.0.0 until 3.0.6, a client connected to the UFO WebSocket server as a DEVICE could call DEVICE_INFO_REQUEST with another device's target_id and receive that device's server-side system_info through ufo/server/ws/handler.py, because handle_device_info_request and get_device_info did not enforce the constellation-only role or object-level authorization boundary. This issue is fixed in version 3.0.6.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 18:03 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Impacted products
Vendor Product Version
microsoft UFO Affected: >= 3.0.0, < 3.0.6
Create a notification for this product.
Show details on NVD website

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CVE-2026-54553 (GCVE-0-2026-54553)

Vulnerability from cvelistv5 – Published: 2026-08-26 14:13 – Updated: 2026-08-26 15:15
VLAI
Title
Starlette-Admin: Unvalidated `order_by` parameter allows ordering by hidden columns (info-exposure oracle) and HTTP 500 DoS
Summary
Starlette-Admin is a fast, beautiful and extensible administrative interface framework for FastAPI and Starlette applications. Prior to 0.16.1, the list API does not validate user-supplied order_by and structured where field names against the configured sortable_fields and searchable_fields allowlists. An authenticated user with access to an affected list endpoint can submit arbitrary field names to starlette_admin/base.py and the BaseModelView validation path, bypassing restrictions presented by the administrative user interface. Requests can sort or filter on fields that are not intended to be sortable or searchable, causing limited information exposure. Invalid field names and special Python attribute names such as metadata and the class dunder attribute can also trigger unhandled exceptions and HTTP 500 responses, causing limited denial of service for targeted requests. This issue is fixed in version 0.16.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:15 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-248 - Uncaught Exception
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
jowilf starlette-admin Affected: < 0.16.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-54361 (GCVE-0-2026-54361)

Vulnerability from cvelistv5 – Published: 2026-06-12 19:59 – Updated: 2026-06-15 18:20
VLAI
Title
MISP mass assignment vulnerabilities allow unauthorized modification of ownership and delegation records
Summary
MISP contained multiple mass assignment vulnerabilities in the handling of collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should have remained server-controlled, including record identifiers and ownership-related fields such as id, org_id, orgc_id, and user_id. An authenticated attacker with access to the affected endpoints could craft requests containing protected fields in order to alter object ownership, redirect an update to another record, overwrite existing event delegation requests, or modify shadow attribute proposals belonging to another organization. This could result in unauthorized modification of MISP objects and, depending on object visibility and sharing configuration, unauthorized access to or transfer of sensitive threat intelligence data. The issue was fixed by explicitly pinning ownership and identity fields to their stored values during edit operations and by removing user-supplied primary keys from create-only save paths. Affected components: * CollectionsController::edit() * EventDelegationsController::delegateEvent() * ShadowAttributesController::edit() * TagCollectionsController::edit()915 * TagCollectionsController::editWithTags() Attack requirements: The attacker must be authenticated and able to reach the affected MISP endpoints. No user interaction is required.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
misp misp Affected: 0 , < 2.5.40 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-54360 (GCVE-0-2026-54360)

Vulnerability from cvelistv5 – Published: 2026-06-12 19:51 – Updated: 2026-06-15 18:19
VLAI
Title
MISP sharing group creation mass assignment allows unauthorized takeover of existing sharing groups
Summary
A mass assignment vulnerability exists in MISP’s sharing group creation endpoint. When creating a new sharing group, the controller did not remove a user-supplied id field before saving the submitted data. In CakePHP, supplying a primary key in the save data can cause a create() followed by save() operation to update an existing record instead of creating a new one. An authenticated user with permission to add sharing groups could therefore submit the identifier of an existing sharing group and modify that sharing group without passing the normal edit access-control checks. This may allow the attacker to take over or alter sharing groups they do not otherwise have access to, potentially affecting the confidentiality and integrity of information shared through those groups. Affected component: app/Controller/SharingGroupsController.php, add() action
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
misp misp Affected: 0 , < 2.5.40 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-54357 (GCVE-0-2026-54357)

Vulnerability from cvelistv5 – Published: 2026-06-12 19:25 – Updated: 2026-06-12 20:05
VLAI
Title
MISP improper authorization allows organization administrators to modify site administrator user settings
Summary
An improper authorization vulnerability in MISP allowed an authenticated organization administrator to access or modify user settings belonging to site administrator accounts within the same organization. The affected access-control checks scoped administrative actions by organization membership but did not exclude higher-privileged site administrator users. As a result, an organization administrator could potentially view or alter site administrator user settings and related login profile information, crossing the intended privilege boundary between organization administration and site-wide administration. The patch hardens the ACL logic by excluding site administrator accounts from organization administrator–managed user sets, adding explicit authorization failure when a target user is not administrable, and ensuring user setting and login profile operations fail closed.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-12 20:04 UTC
CWE
  • CWE-863 - Incorrect Authorization
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
misp misp Affected: 0 , < 2.5.40 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-54324 (GCVE-0-2026-54324)

Vulnerability from cvelistv5 – Published: 2026-06-23 18:07 – Updated: 2026-06-25 12:42
VLAI
Title
Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join
Summary
Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, a cross-tenant authorization flaw in Daytona's notification WebSocket gateway allowed any authenticated user to subscribe to another organization's realtime notification channel and passively receive that organization's events. This vulnerability is fixed in 0.185.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 12:42 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
References
Impacted products
Vendor Product Version
daytonaio daytona Affected: < 0.185.0
Create a notification for this product.
Show details on NVD website

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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.