Common Weakness Enumeration

CWE-863

Allowed-with-Review

Incorrect Authorization

Abstraction: Class · Status: Incomplete

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

5548 vulnerabilities reference this CWE, most recent first.

CVE-2026-0562 (GCVE-0-2026-0562)

Vulnerability from cvelistv5 – Published: 2026-03-29 17:49 – Updated: 2026-04-22 14:57
VLAI
Title
Insecure Direct Object Reference (IDOR) in parisneo/lollms
Summary
A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not implement proper authorization checks, enabling Insecure Direct Object Reference (IDOR) attacks. Specifically, the `/api/friends/requests/{friendship_id}` endpoint fails to verify whether the authenticated user is part of the friendship or the intended recipient of the request. This vulnerability can lead to unauthorized access, privacy violations, and potential social engineering attacks. The issue has been addressed in version 2.2.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
Impacted products
Vendor Product Version
parisneo parisneo/lollms Affected: unspecified , < 2.2.0 (custom)
Create a notification for this product.
Show details on NVD website

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GCVE-1-2026-0030 (CVE-2026-44380)

Vulnerability from gna-1 – Published: 2026-04-29 20:10 – Updated: 2026-05-06 16:01
VLAI
Title
MISP - Improper access control in auth key reset allows privilege escalation to site administrator
Summary
An improper access control vulnerability in the authentication key reset functionality allowed an authenticated organization administrator to reset authentication keys belonging to site administrator accounts within the same organization. Because non-site administrators were not explicitly prevented from accessing or resetting site administrator auth keys, an attacker with organization administrator privileges could potentially obtain a newly generated auth key for a higher-privileged account and use it to escalate privileges. The issue is fixed by preventing non-site administrators from viewing or resetting authentication keys associated with site administrator roles.
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
misp misp Affected: 0 , < <2.5.37 (semver)
Create a notification for this product.
Credits
Andras Iklody (the Insomniac MISP lead dev) Jeroen Gui

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GCVE-1-2026-0004

Vulnerability from gna-1 – Published: 2026-01-13 15:28 – Updated: 2026-01-13 15:38
VLAI
Title
Authorization Bypass in Cerebrate IndividualsController Edit Function
Summary
A privilege escalation vulnerability exists in the IndividualsController::edit() function of Cerebrate prior to the fixed version, where an inverted permission check allowed unauthorized users to modify the uuid field of Individual records. Due to an incorrect conditional statement, non-community-admin users were able to set or alter the UUID of an individual, potentially leading to identity spoofing, data corruption, or unauthorized object takeover.
CWE
  • CWE-863 - Incorrect Authorization
  • CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
Vendor Product Version
cerebrate cerebrate Affected: < 1.31
Create a notification for this product.
Credits
🕵️‍♂️ Jeroen Pinoy 🐞 Andras Iklody

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CVE-2025-71278 (GCVE-0-2025-71278)

Vulnerability from cvelistv5 – Published: 2026-04-01 00:30 – Updated: 2026-04-01 15:52
VLAI
Title
XenForo OAuth2 Unauthorized Scope Request
Summary
XenForo before 2.3.5 allows OAuth2 client applications to request unauthorized scopes. This affects any customer using OAuth2 clients on any version of XenForo 2.3 prior to 2.3.5, potentially allowing client applications to gain access beyond their intended authorization level.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
XenForo XenForo Affected: 2.3.0 , < 2.3.5 (semver)
Create a notification for this product.
Date Public
2025-01-30 00:00
Show details on NVD website

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CVE-2025-69417 (GCVE-0-2025-69417)

Vulnerability from cvelistv5 – Published: 2026-01-02 16:55 – Updated: 2026-01-02 21:04 Exclusively Hosted Service
VLAI
Summary
In the plex.tv backend for Plex Media Server (PMS) through 2025-12-31, a non-server device token can retrieve share tokens (intended for unrelated access) via a shared_servers endpoint.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
Impacted products
Vendor Product Version
Plex plex.tv backend Affected: 0 , ≤ 2025-12-31 (custom)
Create a notification for this product.
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CVE-2025-69416 (GCVE-0-2025-69416)

Vulnerability from cvelistv5 – Published: 2026-01-02 16:52 – Updated: 2026-01-02 21:03 Exclusively Hosted Service
VLAI
Summary
In the plex.tv backend for Plex Media Server (PMS) through 2025-12-31, a non-server device token can retrieve other tokens (intended for unrelated access) via clients.plex.tv/devices.xml.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
Impacted products
Vendor Product Version
Plex plex.tv backend Affected: 0 , ≤ 2025-12-31 (custom)
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Show details on NVD website

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CVE-2025-69414 (GCVE-0-2025-69414)

Vulnerability from cvelistv5 – Published: 2026-01-02 16:43 – Updated: 2026-01-02 21:01
VLAI
Summary
Plex Media Server (PMS) through 1.42.2.10156 allows retrieval of a permanent access token via a /myplex/account call with a transient access token.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
Impacted products
Vendor Product Version
Plex Media Server Affected: 0 , ≤ 1.42.2.10156 (custom)
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CVE-2025-69289 (GCVE-0-2025-69289)

Vulnerability from cvelistv5 – Published: 2026-01-28 19:33 – Updated: 2026-01-28 20:15
VLAI
Title
Discourse has insecure default configuration that allows non-admin moderators to takeover any non-staff account via email change
Summary
Discourse is an open source discussion platform. A privilege escalation vulnerability in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 allows a non-admin moderator to bypass email-change restrictions, allowing a takeover of non-staff accounts. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. As a workaround, ensure moderators are trusted or enable the "require_change_email_confirmation" setting.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
discourse discourse Affected: < 3.5.4
Affected: >= 2025.11.0-latest, < 2025.11.2
Affected: >= 2025.12.0-latest, < 2025.12.1
Affected: >= 2026.1.0-latest, < 2026.1.0
Create a notification for this product.
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CVE-2025-69218 (GCVE-0-2025-69218)

Vulnerability from cvelistv5 – Published: 2026-01-28 19:30 – Updated: 2026-01-28 19:45
VLAI
Title
Discourse moderators can access admin-only reports exposing private upload URLs
Summary
Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can access the `top_uploads` admin report which should be restricted to admins only. This report displays direct URLs to all uploaded files on the site, including sensitive content such as user data exports, admin backups, and other private attachments that moderators should not have access to. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. There is no workaround. Limit moderator privileges to trusted users until the patch is applied.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
discourse discourse Affected: < 3.5.4
Affected: >= 2025.11.0-latest, < 2025.11.2
Affected: >= 2025.12.0-latest, < 2025.12.1
Affected: >= 2026.1.0-latest, < 2026.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2025-69196 (GCVE-0-2025-69196)

Vulnerability from cvelistv5 – Published: 2026-03-16 18:07 – Updated: 2026-07-15 01:24
VLAI
Title
FastMCP OAuth Proxy token reuse across MCP servers
Summary
FastMCP is the standard framework for building MCP applications. Prior to version 2.14.2, the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for the MCP server, the token is issued for the base_url passed to the OAuthProxy during initialization. This issue has been patched 2.14.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-863 - Incorrect Authorization
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
Impacted products
Vendor Product Version
jlowin fastmcp Affected: < 2.14.2
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Red Hat Red Hat Satellite 6.18 Unaffected: 1782739344 , < * (rpm)
    cpe:/a:redhat:satellite:6.18::el9
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Red Hat Red Hat Developer Hub     cpe:/a:redhat:rhdh:1
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Red Hat Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
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Show details on NVD website

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Mitigation
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.
Mitigation
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].

Mitigation MIT-4.4
Architecture and Design

Strategy: Libraries or Frameworks

  • 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].
Mitigation
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.
Mitigation
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.

No CAPEC attack patterns related to this CWE.