Weakness (CWE)
CWE-862: Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
How to prevent it (5 mitigations)
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Architecture and Design
Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
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Architecture and Design
Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].
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Architecture and Design
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
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Architecture and Design
For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
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System Configuration, Installation
Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.
Source: MITRE CWE-862
7,354 results · Clear filters · Feed
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Medium 4.7
SiYuan before v3.8.4 Missing Authorization via siyuan-send-windows
SiYuan before v3.8.4 does not validate the sender or restrict recipients in the 'siyuan-send-windows' IPC handler of the Electron main process (app/electron/main.js). The handler ignores event.sender and forwards any received payload to every BrowserWindow re…
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Medium 6.5
ClawHub Changelog Preview Information Disclosure via Authorization Bypass
ClawHub (openclaw/clawhub application/backend) contains a missing authorization check in the changelog preview feature. A signed-in caller can invoke the public skills:generateChangelogPreview action for a skill they are not authorized to access; the previous…
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Medium 5.4
OpenClaw before 2026.7.1 Authentication Bypass via activation
OpenClaw (npm package `openclaw`) before 2026.7.1 does not enforce the documented owner-only requirement for persistent `/activation` policy changes in group channels. An authorized non-owner channel sender can change whether the agent requires mention-based …
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Medium 6.3
OpenClaw before 2026.7.1 Authentication Bypass via Memory Dreaming
OpenClaw is an agent gateway distributed via npm. In versions >= 2026.4.10 and < 2026.7.1, persistent memory dreaming mutations omit owner permission checks. An authorized but non-owner external-channel sender can issue the persistent '/dreaming on' and '/dre…
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Medium 6.3
OpenClaw before 2026.7.1 Authentication Bypass via Active Memory
OpenClaw is an npm-distributed agent gateway. In versions before 2026.7.1, the global Active Memory toggle mutations could omit owner checks. An authorized non-owner external-channel sender could therefore persistently enable or disable Active Memory for the …
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Medium 4.3
OpenClaw Discord before 2026.7.1 Authorization Bypass
OpenClaw Discord versions before 2026.7.1 contain an authorization bypass vulnerability in guild metadata read actions that allows lower-trust senders to retrieve information excluded by channel allowlists. Attackers can bypass the configured Discord read-tar…
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Medium 6.5
OpenClaw Channel Plugins before 2026.8.1 Channel Read Allowlist Bypass
OpenClaw channel plugins (@openclaw/msteams, @openclaw/feishu, @openclaw/matrix, and @openclaw/googlechat) before 2026.8.1 do not enforce the configured channel read allowlist for caller-supplied explicit read targets in message, reaction, pin, member, and re…
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Medium 5.3
Vulnerability in discord
OpenClaw's Discord integration (npm package @openclaw/discord) before version 2026.9.3 could lose the sender-scoped media policy in the emoji and sticker upload actions before loading a local file. A sender permitted to invoke those actions could cause OpenCl…
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Medium 4.3
OpenClaw diagnostics-prometheus before 2026.9.3 Authentication Bypass
The OpenClaw Prometheus diagnostics plugin (@openclaw/diagnostics-prometheus) before version 2026.9.3 does not enforce the operator.read scope on its authenticated metrics endpoint. In deployments using an identity-bearing Gateway authentication mode such as …
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Medium 6.5
Horilla: Missing Authorization on Payroll Component Views Exposes Employee Salary Structures and Personal Loan Records (IDOR)
Horilla is an HR and CRM software. In 1.5.0-85 and earlier, payroll/views/component_views.py does not consistently authorize access in allowances_deductions_tab, view_single_allowance, and view_single_deduction before loading records selected by emp_id, allow…
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Medium 5.3
Missing permission check in the Translate sandbox doRemind action
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - Translate Extension allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - Translate Extension: from * before 1.46.1, 1.45.5, 1.43.10.
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Medium 5.4
RustDesk before 1.5.0 Missing Authorization Check on Incoming File Clipboard Messages
RustDesk versions before 1.5.0 fail to properly validate file transfer permissions on incoming file clipboard messages in the Cliprdr message handler on Linux and macOS. Authenticated remote peers with disabled file transfer permissions can place files onto t…
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Medium 4.3
TDuck survey form through 6.0 Fill-In Restriction Bypass via Authenticated Submission Endpoint
TDuck survey form through 6.0 fails to enforce form fill-in restrictions on the authenticated submission endpoint POST /user/form/data/create. Authenticated attackers who know a form's key can submit unlimited entries to any form, bypassing publish status, ti…
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Medium 5.4
TDuck survey form through 6.0 Missing Authorization in Form Theme Management Endpoints
TDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories. Authenticated non-admin users can add, modify, or delete themes and theme categories affecting forms owned by other users.
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Medium 6.0
GLPI: Unexpected access to update operations through the API
GLPI is a free asset and IT management software package. From 11.0.0 until 11.0.8, a low-privileged authenticated user can use the new API (v2) to perform update operations that the same user is normally forbidden to perform through the user interface. The AP…
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Medium 5.1
Zammad: Channel admins can read unauthorized attachments via signature rich-text body
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when creating or updating an email signature, Zammad processes inline images referenced in the signature body. If a signature body contains an HTML img tag pointing to any exi…
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Medium 5.1
Zammad: Missing authorization check in GitHub + GitLab integration allows cross-ticket data leak
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, this vulnerability breaks normal ticket isolation boundaries between agents. Any authenticated agent, even one with no active tickets assigned to them, can view the titles, st…
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Medium 6.5
Bludit CMS 3.22.0 Missing Authorization via content-get-list AJAX Endpoint
Bludit CMS through 3.22.0 contains a missing authorization vulnerability that allows authenticated users holding the Author or Editor role to read the full content of private drafts and scheduled posts belonging to any other user, including administrators, by…
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Medium 4.3
Payload CMS storage-vercel-blob Adapter Improper Access Control on Upload Route
The @payloadcms/storage-vercel-blob storage adapter for Payload contains an improper access control vulnerability that allows authenticated users to bypass collection-level permissions by accessing the client-upload route directly. Attackers can upload files …
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Medium 4.5
RabbitMQ: Stored HTML Injection in RabbitMQ Management OAuth Error Handling
RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.19, 4.0.24, 4.1.15, 4.2.10, and 4.3.5, RabbitMQ Management rendered an AMQP authorization-error reason containing an attacker-controlled queue name as HTML when the OAuth management UI was e…
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Medium 5.6
Missing ownership check on the shared memory object named by the kitty askpass escape code
Missing Authorization in the askpass escape code handler in kitty from 0.25.0 before 0.49.0 allows a local user other than the one running the terminal to obtain the text typed into a prompt that kitty itself displays, because handle_remote_askpass() in kitty…
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Medium 5.1
RabbitMQ: Incomplete fix for CVE-2026-44838: `escape_regex_char/1` does not escape `-`, leaving room for an MQTT topic permission bypass
RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3 and 4.2.9 and 4.1.14 and 4.0.23, Incomplete fix for CVE-2026-44838: escaperegexchar/1 does not escape -, leaving room for an MQTT topic permission bypass. the CVE-2026-44838 fix made expandt…
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Medium 6.3
RabbitMQ: AMQP 1.0 management `GET /bindings` exposes full binding topology to any authenticated AMQP user without resource/management permission checks
RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3, 4.2.9, 4.1.14, and 4.0.23, AMQP 1.0 management GET /bindings exposes full binding topology to any authenticated AMQP user without resource/management permission checks. the AMQP 1.0 HTTP-ov…
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Medium 6.0
Missing authorization in the kitty drag and drop protocol allows a client to obtain dragged file contents without a drop
Missing Authorization in the drop handling path of the drag and drop protocol in kitty from 0.47.0 before 0.49.0 allows a program writing to the terminal to obtain the contents of files dragged over the window even when the user never completes the drop, beca…
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Medium 6.0
RabbitMQ: Federation upstream skips vhost authorization allowing cross-vhost message access
RabbitMQ is a messaging and streaming broker. From 3.13.0 until 4.3.3, 4.2.9 , 4.1.14, 4.0.24, and 3.13.18, Federation upstream in RabbitMQ skips vhost authorization allowing cross-vhost message access. what the bug lets you do. A policymaker on one vhost rea…
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Medium 4.8
RabbitMQ: AMQP 1.0 management exchange.declare skips alternate-exchange permission check
RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, AMQP 1.0 management exchange.declare skips alternate-exchange permission check. pUT /exchanges/:name (lines 192-240) checks only configure on the declared exchange and passes XArg…
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Medium 4.3
Blog2Social: Social Media Auto Post & Scheduler <= 9.1.0 - Missing Authorization to Authenticated (Contributor+) Arbitrary Modification via Multiple AJAX Handlers
The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 9.1.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This m…
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Medium 4.3
OpenStation <= 1.1.7 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Disclosure via AI Copilot Search Endpoint
The OpenStation — Desktop Windows, Dock & Virtual Desktops for WP Admin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.7. This is due to the plugin not properly verifying that a user is authorized to perfo…
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Medium 4.3
ningzichun student-management-system cross-site request forgery
A vulnerability was detected in ningzichun student-management-system up to 98760f5711cf6dc8b4adca53a9e207ca49b02ebf. Affected is an unknown function. Performing a manipulation results in cross-site request forgery. It is possible to initiate the attack remote…
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Medium 4.3
Docmost: Broken access control in transclusion lookup API leaks sync-block content across private spaces
Docmost is open-source collaborative wiki and documentation software. Prior to 0.90.1, an authenticated workspace member who does not belong to a private space can call the transclusion / sync-block lookup API with a known sourcePageId and transclusionId pair…
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Medium 4.3
TREK MCP trip summary bypasses delegated OAuth read scopes
TREK is a collaborative travel planner. Prior to 3.3.0, the get_trip_summary tool in server/src/mcp/tools/trips.ts is registered for scoped OAuth MCP tokens without requiring trips:read and returns core trip summary data regardless of the delegated scopes. A …
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Medium 4.2
Discourse: Non-participant moderators can read, edit, and delete PM content through Discourse AI reviewables
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, Discourse AI reviewables associated with private messages could appear in the moderator review queue of a moderator who was not a participant in the message.…
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Medium 5.4
Termix: Authenticated users can read other users' host status and clear global SSH connections
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. From 1.8.0 until 2.5.1, authenticated Termix users can access the server-stats API without per-host authorization. GET /status returns statuses for h…
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Medium 6.0
RabbitMQ: Monitoring-tag user can DELETE shovels
RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, The shovel management resource's is_authorized/2 delegates to rabbit_mgmt_util:is_authorized_monitor/2, which accepts the monitoring tag. But allowed_me…
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Medium 6.5
A flaw in the authorization mechanism for Media Gateway API in Genetec Security Center may allow a user with no playbac…
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Medium 4.3
Black Candy through 3.2.1 Information Disclosure via Playlist Search
Black Candy through 3.2.1 fails to scope playlist search queries to the authenticated session user, allowing any authenticated user to enumerate all playlists on the instance. Attackers can query the SearchController or Search::PlaylistsController endpoints w…
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Medium 6.5
Custom Thank You Page for WooCommerce <= 1.1.2 - Missing Authorization to Unauthenticated Settings Export and Settings Reset
The Custom Thank You Page for WooCommerce plugin for WordPress is vulnerable to unauthorized access and loss of data due to a missing capability check on the save_option() function in all versions up to, and including, 1.1.2. This makes it possible for unauth…
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Medium 4.3
MailerLite – Signup forms (official) <= 1.7.21 - Missing Authorization to Authenticated (Contributor+) Form Creation and Deletion
The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the forms() method of the AdminController class in all versions up to, and including, 1.7.21. This makes it p…
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Medium 4.3
Keycloak-services: keycloak-services: admin rest api role-groups endpoint discloses groups without authorization
A flaw was found in the Admin REST API of Keycloak, an identity and access management solution. The endpoints used to retrieve groups associated with a specific role do not properly check for individual group visibility permissions. This allows a delegated ad…
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Medium 4.3
MasterStudy LMS 2.3.0 - < 3.7.50 - Subscriber+ Course and Lesson Creation via Demo Import
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform any capability or nonce checks on an administrative maintenance action, allowing any authenticated user, such as a subscriber, to trigger it and create published content on t…