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
1,014 results · Clear filters · Feed
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High 7.7
Argo Workflows 4.1.0 through 4.1.3 Cross-Namespace Disclosure via Negated Selector
Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespac…
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High 7.1
Perses project query parameter authorization bypass exposes cross-project resources
Perses is an open-source dashboard and visualization project for observability data. Prior to 0.54.0-beta.3, an authenticated user with viewer access to one project can supply another project through the project query parameter on project-scoped list endpoint…
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High 7.1
LubeLogger: IDOR in DuplicateRecordsToOtherVehicles Allows Copying Records from Any User's Vehicle Without Ownership Check
LubeLogger is a self-hosted, open-source, web-based vehicle maintenance and fuel mileage tracker. Prior to 1.6.8, an authenticated user could submit caller-controlled recordIds to the DuplicateRecordsToOtherVehicles endpoint while naming destination vehicleId…
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High 8.1
Cross-principal document update, theft, and deletion via unvalidated id in nested attributes
An insecure direct object reference in the nested attributes handling of the Mongoid object-document mapper may allow a user with basic application privileges to reference a record identifier that is not their own. Processing such a request can cause that rec…
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High 7.1
Convoy: Cross-Tenant Source IDOR Leaks Plaintext Message Broker Credentials
Convoy is a cloud native webhooks gateway. Prior to 26.6.8, Convoy's GET /api/v1/projects/{projectID}/sources/{sourceID} endpoint authorizes access to the project in the URL, but Handler.GetSource calls sources.Service.FindSourceByID() and fetches the Source …
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High 8.8
Broken Access Control in TECHIN2B Application
Authorization bypass through User-Controlled key vulnerability in TECHIN2B TECHIN2B Application allows Privilege Abuse. This issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026. NOTE: The vendor was contacted early about this disclosure but…
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High 8.8
WeGIA: Authorization Bypass via Empty Resource Array in InternoControle
WeGIA is a web manager for charitable institutions. Prior to 3.8.5, WeGIA maps InternoControle to an empty resource array in web/controle/control.php, and verificarPermissao in web/dao/MiddlewareDAO.php treats that empty array as unconditional access for ever…
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High 8.8
FaustWP — Authentication Bypass via Initialization Vector Modification in Token Envelope
Faust.js is a headless WordPress toolkit. Prior to 1.8.11, the FaustWP WordPress plugin authenticates only the ciphertext in its token envelope and excludes the 16-byte initialization vector from the HMAC in WPE\FaustWP\Auth\encrypt() and WPE\FaustWP\Auth\dec…
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High 7.6
Confirmation token accepted on any record in AshAuthentication
Authorization Bypass Through User-Controlled Key vulnerability in team-alembic AshAuthentication allows an authenticated attacker to overwrite and confirm another user's email address, and so take over that account. A confirmation token issued to one user is …
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High 7.1
djust has broken object-level access control (IDOR)
djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, djust's per-object authorization (`get_object` + `has_object_permission`, ADR-017) was enforced on the WebSocket mount and e…
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High 7.4
djust: SSE sessions are not bound to the authenticated user; the client-chosen session_id is the sole authorization capability (session hijack)
djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, SSE sessions were keyed solely by a client-chosen `session_id` with no binding to the authenticated user — a control the Web…
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High 7.5
AVideo through 29.0 API get_api_video Broken Access Control via clean_title
In AVideo through 29.0, the API get_api_video endpoint contains a broken access control vulnerability in the clean_title branch that returns user-group-restricted videos with owner PII to anonymous callers. Attackers can query videos by their public slug to b…
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High 7.1
Trigger.dev before 4.6.0 GitHub App Installation Takeover
Trigger.dev before 4.6.0 fails to verify that an authenticated user controls a GitHub App installation before binding it to their organization. Attackers can claim another user's GitHub App installation by replaying state cookies and supplying sequential inst…
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High 8.3
metasfresh Unauthorized Access via Document Attachments and Comments Endpoints
metasfresh DocumentAttachmentsRestController and CommentsRestController endpoints check only that callers are logged in without enforcing record-level permissions. Attackers can enumerate sequential document identifiers to read, replace, and delete attachment…
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High 8.8
Tina: [Broken Access Control] letting any TinaCloud user authorize against any self-hosted site
Tina is a headless content management system. Prior to @tinacms/auth 1.1.4 and next-tinacms-azure 15.0.1, isAuthorized accepts a request-controlled clientID and asks isUserAuthorized to validate the bearer token against that selected TinaCloud app instead of …
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High 7.7
Cisco Secure Firewall Management Center Software Low Privileged Arbitrary File Download Vulnerability
A vulnerability in a specific file download API of Cisco Secure FMC Software could allow an authenticated, remote attacker to download arbitrary files from an affected system. This vulnerability exists because user input is not being sanitized. An attacker co…
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High 8.8
SIMAC MyPHR 1.1 IDOR Account Takeover via /api/employes/put/{id}
SIMAC MyPHR 1.1 contains an insecure direct object reference (IDOR) vulnerability that allows authenticated attackers to access and modify arbitrary employee records due to missing server-side ownership validation. Attackers can send a PUT request to the empl…
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High 8.8
Scada-LTS DWR Authorization Bypass - Systemic
ScadaLTS 2.8.1-release-candidate build 0 is affected by an Authorization Bypass Spring Security gates DWR endpoints by URL path pattern, but DWR itself dispatches method calls based on the POST body parameters c0-scriptName and c0-methodName. The crossDomainS…
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High 8.1
microservices-platform through 6.0.0 Arbitrary File Deletion via Missing Ownership Check
zlt2000 microservices-platform through 6.0.0 contains an authorization bypass vulnerability in the file-center module DELETE /files/{id} endpoint that performs no ownership validation. Authenticated attackers can enumerate file identifiers via GET /files and …
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High 7.5CVE-2026-89063 Scanner template
Online Scheduling and Appointment Booking System <= 28.1 - Insecure Direct Object Reference to Unauthenticated Sensitive Data Access and Message Injection via 'conversation_id' Parameter
The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 28.1 via the 'conversation_id' parameter due to missing validation on a user controlled …
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High 7.5
`tts-be` application has a Broken Access Control vulnerability
`tts-be` is a backend for a timetable selector that aims to help students better choose their class schedules. Versions prior to 2.1.0 have a Broken Access Control vulnerability across several API endpoints (such as `/api/student/{id}/photo` and `/api/course_…
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High 7.5
Vikunja before 2.6.0 Privilege Escalation via Link Share Hash
Vikunja before 2.6.0 fails to properly restrict access to the link-share hash field in single-share read endpoints, allowing read-only members to obtain the share's secret credential. Attackers can exchange the disclosed hash for a link-share JWT at the share…
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High 7.1
Flowise before 3.1.4 Authorization Bypass via openai-realtime
Flowise before 3.1.4 fails to enforce workspace-level authorization checks in openai-realtime endpoints, allowing authenticated users to access tools from ChatFlows in other workspaces by supplying an unscoped chatflowid. Attackers can invoke GET and POST req…
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High 7.5
GeoLens: Cross-dataset authorization bypass discloses private dataset metadata, schema, sample values, table rows, and raster/vector tile data
GeoLens is a self-hosted geospatial data catalog with semantic search, OGC and STAC APIs, and a map builder. Prior to 1.2.3, multiple read and link endpoints authorize only the resource named in the request URL and fail to re-authorize a second caller-influen…
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High 7.6
OpenAM Arbitrary OAuth Token Minting via Push Registration
Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, OAuthTokenStore reads caller-supplied token identifiers from the shared Core Token Store (CTS) without an OAuth-only namespace, and OAuthAdapter accepts a row whose BLOB claims…
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High 7.1
MISP Collection Element Add Missing Authorization on Referenced Object UUID
Affected versions of MISP allow a collection element to be created from a bare UUID without consistently checking whether the acting user is allowed to access the referenced object. The commit explains that collection elements themselves only store UUIDs, whi…
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High 7.3
subhajitkhan online-clinic-management-system adminappview.php session_start authorization
A flaw has been found in subhajitkhan online-clinic-management-system up to e9ee77a8827a1446220fa07ee693dc4d9a29a578. Affected by this vulnerability is the function session_start of the file adminappview.php. Executing a manipulation of the argument adminmail…
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High 7.5
ZFile through 5.0.5 Share Entry Filter Bypass via Download Endpoint
ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory…
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High 7.6
backpack/crud: CRUD panel query scopes are not enforced on Update, Delete, and Reorder (cross-tenant IDOR)
backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.38, the Update, Delete, and Reorder operations resolve rec…
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High 8.1
backpack/crud: Arbitrary file deletion via attacker-controlled clear_<attr>[] in HasUploadFields::uploadMultipleFilesToDisk
backpack/crud provides Create, Read, Update & Delete (CRUD) functions for Backpack, a collection of Laravel packages that help users build custom administration panels. Prior to 6.8.12 and 7.0.35, HasUploadFields::uploadMultipleFilesToDisk in src/app/Models/T…
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High 7.2
Amelia < 2.4.10 - Amelia Manager+ WordPress Account Takeover
The Booking for Appointments and Events Calendar WordPress plugin before 2.4.10 does not verify that the user editing a customer or employee record is entitled to modify the WordPress account linked to it, allowing users holding Amelia's customer or employee …
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High 8.1
NL Portal: IDOR allows any authenticated user to complete and tamper with another user's taak
NL Portal Backend Libraries provide backend components for Dutch government portals that interact with residents, customers, suppliers, and partner organizations. The `nl.nl-portal:taak` package from version 1.5.0 through 3.0.0 fails to verify ownership when …
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High 7.5
MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies b…
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High 7.4
DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to manipulate runtime caches and cause a denial of service due to an insecure direct object reference.
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High 7.7
DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
IBM DataStage on Cloud Pak for Data 5.4.0.0 concatenates three caller-supplied strings into a String.format path on the shared /ds-storage RWX PVC and returns the file with no project ACL — pure IDOR plus traversal. Read is constrained to files named job.log/…
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High 8.1
AVideo Missing Authorization via getRestream.json.php
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate restream ownership in getRestream.json.php, allowing authenticated users with canStream permission to mint tokens for arbitrary restreams. Attackers can exchange the token to ret…
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High 8.1
Apache Camel K: Camel K Builder trait mavenProfiles ValueSources resolve tenant-named secrets in operator namespace
Authorization bypass through User-Controlled key vulnerability in Apache Camel K. An authorization vulnerability in custom resource resolution allows a tenant to reference secrets by name in the operator namespace, potentially exposing secrets belonging to ot…
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High 7.5
Missing authorization in the Address Delete controller in Mageplaza GDPR for Magento 2 (mageplaza/module-gdpr) through …
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High 7.4
IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
IBM Enterprise Build of Quarkus 3.27.1 through 3.27.5, and 3.33.1 through 3.33.3 could allow an attacker to bypass authorization by manipulating URL query parameters due to incorrect mapping of values to untrusted query string input.
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High 8.8
Visual Studio Code Security Feature Bypass Vulnerability
Authorization bypass through user-controlled key in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.