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Common Weakness Enumeration

CWE-639

Allowed

Authorization Bypass Through User-Controlled Key

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

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.

4014 vulnerabilities reference this CWE, most recent first.

CVE-2026-39967 (GCVE-0-2026-39967)

Vulnerability from cvelistv5 – Published: 2026-05-22 18:36 – Updated: 2026-05-26 19:05
VLAI
Title
TypeBot: Cross-Typebot Result Data Access via Missing typebotId Filter
Summary
TypeBot is a chatbot builder tool. In versions 3.15.2 and prior, the bot engine's the findResult query does not filter results by typebotId, allowing an authenticated user to load result data (user answers, variable values) from a different typebot by supplying a foreign resultId to the startChat endpoint. Exploitation is constrained by CUID2's cryptographically random 24-character IDs (making brute-force infeasible), the requirement that rememberUser be enabled, and the need for matching variable names in the current typebot. If successfully exploited, an attacker can access the original user's previous answers, session variable values, and hasStarted flag, potentially exposing PII like names, emails, and phone numbers. This issue has been fixed in version 3.16.0.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 19:05 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
baptisteArno typebot.io Affected: < 3.16.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-39942 (GCVE-0-2026-39942)

Vulnerability from cvelistv5 – Published: 2026-04-09 16:07 – Updated: 2026-04-09 19:37
VLAI
Title
Directus has a Path Traversal and Broken Access Control in File Management API
Summary
Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, the PATCH /files/{id} endpoint accepts a user-controlled filename_disk parameter. By setting this value to match the storage path of another user's file, an attacker can overwrite that file's content while manipulating metadata fields such as uploaded_by to obscure the tampering. This vulnerability is fixed in 11.17.0.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-09 17:47 UTC
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
directus directus Affected: < 11.17.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-39616 (GCVE-0-2026-39616)

Vulnerability from cvelistv5 – Published: 2026-04-08 08:30 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress Download Attachments plugin <= 1.4.0 - Insecure Direct Object References (IDOR) vulnerability
Summary
Authorization Bypass Through User-Controlled Key vulnerability in dFactory Download Attachments download-attachments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Download Attachments: from n/a through <= 1.4.0.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 14:04 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
dFactory Download Attachments Affected: 0 , ≤ 1.4.0 (custom)
Create a notification for this product.
Date Public
2026-04-08 10:28
Credits
Jakub Herman | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-39526 (GCVE-0-2026-39526)

Vulnerability from cvelistv5 – Published: 2026-04-08 08:30 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress WpStream plugin < 4.11.2 - Insecure Direct Object References (IDOR) vulnerability
Summary
Authorization Bypass Through User-Controlled Key vulnerability in wpstream WpStream wpstream allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WpStream: from n/a through < 4.11.2.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 14:48 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
wpstream WpStream Affected: 0 , ≤ 4.11.2 (custom)
Create a notification for this product.
Date Public
2026-04-08 10:29
Credits
Muhammad Sharief | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-39518 (GCVE-0-2026-39518)

Vulnerability from cvelistv5 – Published: 2026-06-15 20:18 – Updated: 2026-06-16 17:11
VLAI
Title
WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Object References (IDOR) vulnerability
Summary
Subscriber Insecure Direct Object References (IDOR) in EventPrime <= 4.3.0.0 versions.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 13:29 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
EventPrime EventPrime Affected: n/a , ≤ 4.3.0.0 (custom)
Create a notification for this product.
Credits
James Pirstin | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-39510 (GCVE-0-2026-39510)

Vulnerability from cvelistv5 – Published: 2026-04-08 08:30 – Updated: 2026-04-29 09:52
VLAI
Title
WordPress Image Photo Gallery Final Tiles Grid plugin <= 3.6.11 - Insecure Direct Object References (IDOR) vulnerability
Summary
Authorization Bypass Through User-Controlled Key vulnerability in WP Chill Image Photo Gallery Final Tiles Grid final-tiles-grid-gallery-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Image Photo Gallery Final Tiles Grid: from n/a through <= 3.6.11.
Severity
2.7 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
2.7 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-13 16:01 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
WP Chill Image Photo Gallery Final Tiles Grid Affected: 0 , ≤ 3.6.11 (custom)
Create a notification for this product.
Date Public
2026-04-08 10:29
Credits
Jitlada | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-39386 (GCVE-0-2026-39386)

Vulnerability from cvelistv5 – Published: 2026-04-21 00:50 – Updated: 2026-04-22 03:56
VLAI
Title
Neko has Self-service Privilege Escalation for Authenticated Users
Summary
Neko is a a self-hosted virtual browser that runs in Docker and uses WebRTC In versions 3.0.0 through 3.0.10 and 3.1.0 through 3.1.1, any authenticated user can immediately obtain full administrative control of the entire Neko instance (member management, room settings, broadcast control, session termination, etc.). This results in a complete compromise of the instance. The vulnerability has been patched in v3.0.11 and v3.1.2. If upgrading is not immediately possible, the following mitigations can reduce risk: Restrict access to trusted users only (avoid granting accounts to untrusted parties); ensure all user passwords are strong and only shared with trusted individuals; run the instance only when needed; avoid leaving it continuously exposed; place the instance behind authentication layers such as a reverse proxy with additional access controls; disable or restrict access to the /api/profile endpoint if feasible; and/or monitor for suspicious privilege changes or unexpected administrative actions. Note that these are temporary mitigations and do not fully eliminate the vulnerability. Upgrading is strongly recommended.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-21 00:00 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-269 - Improper Privilege Management
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
m1k1o neko Affected: >= 3.0.0, < 3.0.11
Affected: >= 3.1.0, < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-39384 (GCVE-0-2026-39384)

Vulnerability from cvelistv5 – Published: 2026-04-07 16:05 – Updated: 2026-04-09 16:18
VLAI
Title
FreeScout Customer Merge Cross-Mailbox Authorization Bypass
Summary
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.212, FreeScout does not take the limit_user_customer_visibility parameter into account when merging customers. This vulnerability is fixed in 1.8.212.
Severity
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-09 16:11 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-39374 (GCVE-0-2026-39374)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:37 – Updated: 2026-04-08 14:35
VLAI
Title
Plane IDOR: Cross-Project Issue Date Modification via Bulk Update Endpoint
Summary
Plane is an an open-source project management tool. Prior to 1.3.0, the IssueBulkUpdateDateEndpoint allows a project member (ADMIN or MEMBER) to modify the start_date and target_date of ANY issue across the entire Plane instance, regardless of workspace or project membership. The endpoint fetches issues by ID without filtering by workspace or project, enabling cross-boundary data modification. This vulnerability is fixed in 1.3.0.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-08 14:34 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
makeplane plane Affected: < 1.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-39354 (GCVE-0-2026-39354)

Vulnerability from cvelistv5 – Published: 2026-04-07 18:54 – Updated: 2026-04-09 16:17
VLAI
Title
Scoold has an Authenticated Arbitrary Question Overwrite via Client-Controlled postId in POST /questions/ask
Summary
Scoold is a Q&A and a knowledge sharing platform for teams. Prior to 1.66.2, an authenticated authorization flaw in Scoold allows any logged-in, low-privilege user to overwrite another user's existing question by supplying that question's public ID as the postId parameter to POST /questions/ask. Because question IDs are exposed in normal question URLs, a low-privilege attacker can take a victim question ID from a public page and cause attacker-controlled content to be stored under that existing question object. This causes direct integrity loss of user-generated content and corrupts the integrity of the existing discussion thread. This vulnerability is fixed in 1.66.2.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-09 15:04 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Erudika scoold Affected: < 1.66.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.

Mitigation
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.

Mitigation
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.

No CAPEC attack patterns related to this CWE.

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