Weakness (CWE)
CWE-639: Authorization Bypass Through User-Controlled Key
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.
More detail
It is likely that an attacker would have to be an authenticated user in the system. However, the authorization process would not properly check the data access operation to ensure that the authenticated user performing the operation has sufficient entitlements to perform the requested data access, hence bypassing any other authorization checks present in the system.
For example, attackers can look at places where user specific data is retrieved (e.g. search screens) and determine whether the key for the item being looked up is controllable externally. The key may be a hidden field in the HTML form field, might be passed as a URL parameter or as an unencrypted cookie variable, then in each of these cases it will be possible to tamper with the key value.
How to prevent it (3 mitigations)
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Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
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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.
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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.
Source: MITRE CWE-639
1,015 results · Clear filters · Feed
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High 8.3
praisonai-platform: Agent endpoints accept any agent_id without workspace ownership check, cross-workspace read/update/delete IDOR
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an* Insecure Direct Object Reference. The agent CRUD endpoints (`GET / PATCH / DELETE /workspaces/{workspace_id}/agents/{agent_id}`) gate access …
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High 8.1
praisonai-platform: Project endpoints accept any project_id without workspace ownership check, cross-workspace read/update/delete IDOR
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an Insecure Direct Object Reference. The project CRUD endpoints (`GET / PATCH / DELETE /workspaces/{workspace_id}/projects/{project_id}` and `GET…
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High 8.1
praisonai-platform: Comment endpoints accept any issue_id without workspace ownership check, cross-workspace comment read and post IDOR
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an Insecure Direct Object Reference. The comment endpoints (`POST /workspaces/{workspace_id}/issues/{issue_id}/comments` and `GET .../comments`) …
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High 8.3
praisonai-platform: Issue endpoints accept any issue_id without workspace ownership check, cross-workspace read/update/delete IDOR
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an Insecure Direct Object Reference. The issue CRUD endpoints (`GET / PATCH / DELETE /workspaces/{workspace_id}/issues/{issue_id}`) gate access o…
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High 7.6
praisonai-platform: Label endpoints accept any label_id and any issue_id without workspace ownership check, cross-workspace label edit/delete and issue-label-link IDOR
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an Insecure Direct Object Reference. Five label endpoints — `PATCH /workspaces/{workspace_id}/labels/{label_id}`, `DELETE .../labels/{label_id}`,…
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High 8.1
praisonai-platform: Dependency endpoints accept any issue_id and dep_id without workspace ownership check, cross-workspace issue linking + read + delete IDOR
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have an Insecure Direct Object Reference. The dependency endpoints (`POST/GET /workspaces/{workspace_id}/issues/{issue_id}/dependencies` and `DELETE .…
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High 8.8
PraisonAI Platform workspace-scoped routes allow cross-workspace object access by global object ID
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Prior to version 0.1.4, the workspace-scoped REST routes contain a systemic object-level authorization flaw that allows an authenticated user from one workspace to access, mo…
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High 7.1
AgenticMail: Cross-agent task authorization bypass in AgenticMail API
AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/api prior to version 0.9.64, a low-privileged authenticated AgenticMail agent can enumerate another agent's pending/claimed tasks by supplying the target agent name to `GET /a…
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High 7.6
NextCRM has BOLA/IDOR in MCP Campaign Tools that Allows Cross-User Campaign Disclosure and Tampering
NextCRM is open-source customer relationship management (CRM) software. In version 0.12.1, the MCP campaign tools expose campaign read and write operations over the network using user-generated Bearer API tokens (`nxtc__...`). The application has an authoriza…
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High 7.1
NextCRM has a BOLA/IDOR in PATCH /api/crm/contacts/[id] that allows Cross-Tenant CRM Data Tampering
NextCRM is open-source customer relationship management (CRM) software. Versions prior to 0.12.0 have a Broken Object Level Authorization (BOLA/IDOR) vulnerability exists in the CRM contact and target update endpoints. The application fails to verify if the a…
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High 8.5
Paymenter: URL parameter injection bypasses paid plan limits at checkout
Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.1, the checkout component improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into serve…
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High 8.7
VSee Clinic and API Insecure Direct Object Reference in File API Allows Unauthorized File Access and Deletion
VSee Clinic 7.1.26 and API 1.3.0 contain an Insecure Direct Object Reference (IDOR) vulnerability in the /v1.3.0/api/files endpoint. An authenticated attacker can manipulate the 'remark' request parameter to enumerate, retrieve, and delete files belonging to …
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High 8.7
Remote Code Execution Vulnerability in EGroupware
A vulnerability has been identified in EGroupware that may lead to Remote Code Execution (RCE). The issue allows an authenticated attacker to execute arbitrary commands on the server. If user self-registration is enabled, the vulnerability may be exploitable …
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High 7.5
SurrealDB before 2.5.0 Privilege Escalation via Future Fields
SurrealDB before 2.5.0 and before 3.0.0-beta.3 contains a confused deputy privilege escalation vulnerability. Unprivileged users (e.g., those with the database editor role) can create or modify fields containing futures, functions, or closures. Because these …
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High 8.1
SurrealDB before 3.2.0 Authentication Bypass via Custom API
SurrealDB versions before 3.2.0 fail to validate namespace and database scope in custom API routes, allowing authenticated users to invoke endpoints in different namespaces/databases. Attackers with valid credentials for any namespace/database can access cust…
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High 8.1
Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints
IBM Langflow OSS 1.0.0 through 1.10.1 can allow an authenticated attacker to exploit the SaveToFile component to read and modify another user's uploaded files by specifying absolute paths pointing to victim storage locations. In append mode, the attacker's wo…
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High 7.1
Improper access control in Hashtopolis server chunk activity component
Improper access control in Hashtopolis server web-interface chunk activity component for versions prior to 0.14.8 allows any created account to read all cracked hashes of a Hashtopolis server instance.
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High 8.8
grav-plugin-api < 1.0.6 Privilege Escalation via createApiKey
grav-plugin-api before 1.0.6 fails to validate super-admin status in createApiKey, generate2fa, and disable2fa endpoints, allowing non-super api.users.write managers to escalate to super-admin. Attackers can mint API keys bound to super-admin accounts or stri…
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High 7.5
wger IDOR: Authenticated Users Can Read Others' Private Workout Session Data via Template Routine API
wger is a free, open-source workout and fitness manager. In versions prior to 2.6, any authenticated user can read another user's private workout session notes, exercise history, and training statistics by calling the /logs/ and /stats/ actions on a routine t…
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High 7.6
stoatchat 20241213-1 Webhook Token Disclosure via Read Permissions
stoatchat (delta/Revolt) versions from 20241213-1 before 20250210-1 allow users with only ViewChannel (read) permission on a channel to fetch that channel's webhooks, including their tokens, because the webhook fetch endpoint checked for ViewChannel instead o…
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High 8.2
HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access.
HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. The application fails to verify the user's authentication status when accessing specific API endpoints, allowing an unauthenticated attacker to interact with the APIs an…
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High 8.5
Wekan: Broken access control: any authenticated user can move their Cards/Lists/Swimlanes into a private board they are not a member of (cross-board write via collection allow rule)
Wekan is open source kanban built with Meteor. Prior to 9.37, Wekan DDP update allow rules in server/permissions/cards.js, server/permissions/lists.js, and server/permissions/swimlanes.js authorize against the stored source boardId and do not validate a new b…
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High 7.1
MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal
The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol (MCP). Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamable_http_manager.StreamableHTTPSes…
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High 7.6
Better Auth: Device authorization approve and deny accept any authenticated session while the user code is pending
Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the deviceAuthorization plugin treats any authenticated session as the owner of any pending device code because GET /device does not claim the row and POST /de…
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High 8.1
Kanboard BoardAjaxController Missing Ownership Check via Drag-and-Drop
Kanboard before 1.2.53, fixed in commit 564cc30, BoardAjaxController save() method (used by the kanban board drag-and-drop endpoint) validates the caller's role on the attacker-supplied project_id but never verifies that the supplied task_id actually belongs …
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High 7.7
Postiz: Unauthenticated arbitrary lifetime PRO grant via Nowpayments webhook
Postiz is an AI social media scheduling tool. Prior to 2.21.8, Postiz fails to verify Nowpayments IPN callback authenticity against the payment provider shared secret and reads the target subscription identifier from the untrusted request body, allowing a low…
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High 8.6
Directus: Authorization-dependent response served from unsegmented cache key
Directus is a real-time API and App dashboard for managing SQL database content. Prior to 12.0.0, when response caching is enabled, the cache-key derivation in api/src/utils/get-cache-key.ts includes version, path, query, and accountability.user but omits aut…
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High 8.7
Missing authorization in Prospero Flow CRM allows low-privileged users to read all bank accounts
Missing Authorization (CWE-862) in BankAccountListController (app/Http/Controllers/Api/BankAccount/BankAccountListController.php), exposed at GET /api/bank-account, in Prospero Flow CRM <5.5.3, which allows a remote, authenticated attacker holding a low-privi…
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High 8.8
rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.74.4, rclone serve restic --private-repos enforces authorization using the routed user path segment while building the backend object key …
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High 7.5
Improper authorization in the PAM SSH key and certificate retrieval endpoints in Devolutions Server 2026.2.11, 2026.1.2…
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High 8.7
Inadequate access control in Sesame Time session management
A vulnerability relating to insufficient access control has been identified in the session management of the Sesame Time web application and its REST v3 API. The flaw lies in the fact that the system uses the session identifier (USID) as the sole validation m…
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High 7.1
ChurchCRM: Improper object-level authorization allows low-privileged users to read and modify other families’ records
ChurchCRM is an open-source church management system. Prior to version 7.4.0, there was an authorization flaw in the family-scoped endpoints which allowed low-privileged users to read and modify other families’ records. An authenticated non-admin user with Ed…
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High 7.5
Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5
An Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker to access data of other users without authorization.
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High 7.1
OpenReplay: Cross-tenant session replay disclosure via missing session ownership check in first-mob endpoint
OpenReplay is a self-hosted session replay suite. From 1.22.0 before 1.27.0, getFirstMob returned 15-second presigned S3 download URLs for a session's DOM-replay recording based solely on the session path parameter, while validateProjectAccess checked only th…
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High 7.1
OpenReplay: Cross-user IDOR in notes and dashboard widgets
OpenReplay is a self-hosted session replay suite. In 1.27.0 and earlier, three dashboard and note mutation functions ran their SQL without the ownership predicate that their sibling read and edit functions use: notes.delete filtered only on note id and projec…
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High 8.8
IDOR in Teracity's TeraMIS
Authorization bypass through User-Controlled key vulnerability in Teracity Software Technologies Inc. TeraMIS allows Privilege Abuse. This issue affects TeraMIS: from V03.26.01.14 through 30.04.2026.
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High 7.7
Snipe-IT: Cross-company asset maintenance re-parenting via API update
Snipe-IT is an IT asset/license management system. Prior to 8.6.2, PATCH or PUT /api/v1/maintenances/{maintenance_id} checks access to the current maintenance record and asset but then fills attacker-controlled fields including asset_id without re-authorizing…
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High 8.8
Krayin CRM Insecure Direct Object Reference via Controllers
Krayin CRM through 2.2.3 contains an insecure direct object reference vulnerability in LeadController, PersonController, OrganizationController, QuoteController, and ActivityController that allows authenticated users to edit, update, or delete records owned b…
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High 8.8
IDOR in AdamPOS' MobilMen 20T
Authorization bypass through User-Controlled key vulnerability in Adam Retail Automation Ltd. MobilMen 20T allows Privilege Escalation. This issue affects MobilMen 20T: from v3 through 10072026. NOTE: The vendor was contacted early about this disclosure but d…
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High 8.7
Grav Admin Plugin — IDOR Privilege Escalation via saveUser()
grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create and modify pages. In 1.10.52 and earlier, an authenticated attacker with admin.users permission can change the password of any user account, including the super admin…