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
1,006 results · Clear filters · Feed
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High 7.7
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to broken object-level authorization.
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High 7.6
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and cause a denial of service due to an insecure direct object reference.
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High 7.7
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information belonging to other tenants due to broken object-level authorization.
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High 7.7
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to broken object-level authorization.
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High 7.7
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from other tenants due to broken object-level authorization.
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High 7.7
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from other tenants due to improper authorization. Identifiers supplied in requests are not sufficiently checke…
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High 8.8
Chartbrew: Cross-tenant project takeover via body.team_id in /project routes
Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.3, the shared project permission check trusted a caller-controlled team_id and let the teamOwner/teamAdmin branch conti…
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High 7.5
Wanderer: Unauthenticated Access to Private Trails and Comments via ActivityPub Endpoints
Wanderer is a self-hosted trail database for saving and sharing adventures. Prior to 0.19.3, the unauthenticated GET /activitypub/trail/{id} and GET /activitypub/comment/{id} endpoints call ActivitypubTrail() and ActivitypubComment() to return full trail and …
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High 7.7
FreeScout: Cross-User Notification Data Disclosure via LIKE Wildcard Injection in Polycast Channel Query
FreeScout is a self-hosted help desk and shared mailbox application. Prior to version 1.8.226, the polycast/receive endpoint fails to escape SQL LIKE wildcards in supplied channel names, while channel authorization applies only to names with specific prefix…
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High 7.5
In JetBrains Datalore before 2026.4 improper scope validation in database tasks allowed using another workspace's servi…
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High 8.8
MDJM Event Management and Mobile Events Manager <= 1.7.8.7 - Subscriber+ Account Takeover via IDOR
The MDJM Event Management and Mobile Events Manager WordPress plugins through 1.7.8.7 do not check ownership or capability on the identifier supplied to their client profile update, allowing any authenticated user, such as a subscriber, to change the password…
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High 8.1
Rucio: Authorisation Bypass on REST API endpoint for signing URLs
Rucio is a scientific data management framework. From 1.16.1 until 35.9.0, 38.6.0, and 41.0.0rc1, the /credentials/signurl endpoint reads X-Rucio-Account instead of the account stored in request.environ['issuer'] by token authentication. Any authenticated low…
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High 7.1
SuiteCRM V8 JSON:API processAttributes() Missing ID Filter Allows ACL Bypass and Record Ownership Hijack
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to 7.15.2 and 8.10.2, the V8 JSON:API update path fails to remove the id attribute before assigning user-supplied attributes to a SugarBean. The af…
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High 8.8
Immich: Album Editor can escalate to Owner role and remove Owner-role members via unguarded API endpoints
Immich is a self-hosted photo and video management solution. Prior to 3.0.3, an authenticated user with editor access to a shared album can change the existing owner's role because album member role updates do not protect the owner from modification. By demot…
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High 8.2
WP Event Manager 3.4.0 - 3.4.1 - Unauthenticated Unpublished Post Overwrite via IDOR
The WP Event Manager WordPress plugin before 3.4.2 does not verify the ownership or the post type of a user supplied post identifier in its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpu…
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High 8.1
WP Event Manager < 3.4.2 - Subscriber+ Arbitrary Post Takeover via event_organizer_ids
The WP Event Manager WordPress plugin before 3.4.2 does not properly validate ownership or the type of the user-supplied post identifiers processed by one of its frontend forms, allowing any user with a Subscriber account or above to reassign the authorship o…
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High 8.5
Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest
Kyverno before 1.19.2 contains an authorization bypass vulnerability in the Generation Handler that allows users with create/update permissions to trigger synchronized generate policies by spoofing internal generate.kyverno.io labels. Attackers can label a Co…
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High 7.3
6amTech 6valley Social Login Flow existing-account-check existingAccountCheck authorization
A vulnerability was identified in 6amTech 6valley 16.0. Impacted is the function existingAccountCheck of the file /api/v1/auth/existing-account-check of the component Social Login Flow. Such manipulation of the argument user_response leads to authorization by…
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High 8.8
GPUStack: Missing authorization on several cluster and resource endpoints allows cross-user access and cluster takeover
GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. From 2.2.0 until 2.2.2, cluster_apiserver_proxy forwarded an authenticated non-administrator's requests to a selected Kubernetes cluster without a resource-leve…
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High 8.2
Telepresence: Tunnel endpoint accepts caller-supplied session ID with no ownership proof — active client sessions hijackable
Telepresence enables local development against a remote Kubernetes or OpenShift cluster. Prior to 2.31.0, the Traffic Manager Tunnel gRPC streaming endpoint parses a session ID from the first bytes of a caller-controlled message in pkg/tunnel/message.go and p…
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High 7.6
CoopCycle coopcycle-web before 6.20.1 IDOR via Incident Resource and Action Endpoint
CoopCycle coopcycle-web before 6.20.1 contains a broken access control vulnerability that allows any courier to read and modify every incident because Incident operations only check ROLE_COURIER. Attackers can enumerate sequential incident ids and use PUT /ap…
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High 8.8
Stonewuu ai-fusion-video before 1.3.0 IDOR via Project, Asset and Script Controllers
Stonewuu ai-fusion-video before 1.3.0 contains an insecure direct object reference vulnerability that allows authenticated users to access other users' projects by supplying unscoped object ids. Attackers can enumerate auto-increment ids on /api/project, /api…
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High 7.5
About Time Technologies｜Herowatch Go Server - Insecure Direct Object Reference
Herowatch Go Server developed by About Time Technologies has a Insecure Direct Object Reference vulnerability. Authenticated remote attackers can modify specific parameters to access or operate other users' data and functions.
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High 7.6
AshAuthentication TOTP setup lets a user install their own authenticator secret on another user's account
Authorization Bypass Through User-Controlled Key vulnerability in team-alembic ash_authentication allows a user with an account to install a TOTP secret they control on another user's account, and then sign in as that user or hold their second factor. AshAuth…
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High 7.1
LogChimp before 0.9.3 Authorization Bypass via PATCH /api/v1/posts
LogChimp 0.9.0-alpha.1 before 0.9.3 contains an authorization bypass vulnerability that allows authenticated post authors to modify any other post by supplying mismatched postId and id body parameters. Attackers can set postId to their own post and id to an e…
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High 8.3
FastBee through 2.1.0 IDOR via /iot/product By-ID Endpoints
FastBee through 2.1.0 contains an insecure direct object reference vulnerability in ProductController that allows authenticated tenant users to access other tenants' products by supplying their product IDs. Attackers can enumerate sequential product IDs to re…
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High 8.8
Broken Access Control in extension "Frontend User Registration" (sf_register)
The actions linked in the emails of the extension (e.g. to confirm a registration or the deletion of an account) do not reject requests with a missing or invalid hash. Instead, the frontend user given in the request is used. Unauthenticated attackers can ther…
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High 8.4
Krill treats a "local parent" as already-authenticated, letting a CA operator act as any child of any CA on the same server
When a CA's parent lives on the same Krill server: instead of building and verifying a signed CMS message, it runs the RFC 6492 provisioning exchange in-process and trusts the child identity (child_handle) that the caller put in the parent contact. Nothing ch…
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High 8.4
Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import
The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA,…
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High 8.8
Jpom through 2.11.12 Cross-Workspace Authorization Bypass via /node/ssh_command/batch
Jpom through 2.11.12 contains a cross-workspace authorization bypass in POST /node/ssh_command/batch that resolves command templates and SSH nodes by ID without workspace filtering. Authenticated users with SSH command execute permission in one workspace can …
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High 8.8
Jpom through 2.11.12 Cross-Workspace Authorization Bypass via Docker Controllers
Jpom through 2.11.12 contains a cross-workspace authorization bypass vulnerability that allows authenticated users to manage other workspaces' Docker hosts by supplying foreign Docker asset ids. Attackers with Docker permission in any workspace can control co…
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High 7.5
OpenCSG CSGHub through v2.6.0-ce Unauthenticated Private Repository File Read via Resolve Route
OpenCSG CSGHub through v2.6.0-ce contains an authorization bypass vulnerability in the unauthenticated file resolve route that allows remote attackers to read private repository files. Attackers can inject a percent-encoded current_user parameter into the fil…
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High 8.3
IXP Manager has Broken Object-Level Authorization
IXP Manager is a full-stack web application for managing Internet Exchange Points. Prior to version 7.3.0, an authenticated user can view and edit a resource belonging to another user without authorization. The API-key edit/update path in `ApiKeyController` s…
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High 8.5
pgAdmin 4: An LDAP or Kerberos login is logged in to another account with the same username
In server mode pgAdmin 4 keeps an account per authentication source, so the same username can exist as, for example, an internal account and an LDAP account. After LDAP or Kerberos authenticated a user, pgAdmin chose the account to log in by username alone, o…
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High 7.5
Forminator Forms <= 1.57.3.1 - Insecure Direct Object Reference to Unauthenticated Arbitrary Draft Deletion and Takeover via 'previous_draft_id' Parameter
The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.57.3.1 via the 'previous_draft_id' parameter due to missing validation on a …
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High 8.5
SOCFortress CoPilot: Cross-Tenant Arbitrary Object-Store Write via the Data-Store Upload Endpoint (customer_user)
SOCFortress CoPilot focuses on providing a single pane of glass for all your security operations needs. Prior to 0.1.76, `POST /api/agent_data_store/upload` in `backend/app/data_store/data_store_routes.py` permits `customer_user` callers to choose `bucket_nam…
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High 8.1
WeGIA: Systemic IDOR + Missing CSRF — extract($_REQUEST) in All Controle Classes
WeGIA is a web manager for charitable institutions. Prior to the advisory's stated patched version 3.8.7, the `/controle/control.php` dispatch endpoint accepts attacker-controlled `nomeClasse`, `metodo`, and record identifier parameters through `extract($_REQ…
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High 7.5
Bricks Theme Broken Access Control via load_popup_content
Bricks Theme 2.4 and before for WordPress contains an unauthenticated broken access control vulnerability in the load_popup_content REST endpoint that allows anonymous attackers to read draft and unpublished page content by supplying a popupId parameter witho…
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High 7.6
FreeMail before 5.3.2 Authorization Bypass via /api/create Mailbox Claiming
FreeMail before 5.3.2 contains an authorization bypass vulnerability that allows authenticated users to claim another user's existing mailbox via the POST /api/create endpoint. Attackers who know a victim's address can become co-owners through assignMailboxTo…
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High 7.5
Cross-user Document Access on Foxit Official Website's HTML-to-PDF Service
A broken access control vulnerability exists in the Foxit official website’s HTML-to-PDF conversion service due to the use of a shared token for submitted conversion documents. This may allow unauthorized users to access documents submitted by other users.