Common Weakness Enumeration

CWE-639

Allowed

Authorization Bypass Through User-Controlled Key

Abstraction: Base · Status: Incomplete

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.

3213 vulnerabilities reference this CWE, most recent first.

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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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

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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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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

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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.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
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
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

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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.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Show details on NVD website

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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.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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

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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.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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

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CVE-2026-39331 (GCVE-0-2026-39331)

Vulnerability from cvelistv5 – Published: 2026-04-07 17:36 – Updated: 2026-04-07 18:39
VLAI
Title
ChurchCRM has an API Authorization Bypass Allows Authenticated User to Deactivate, Modify, and Spam Arbitrary Families
Summary
ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the {familyId} parameter in requests, regardless of whether they possess the required EditRecords privilege. /family/{familyId}/verify, /family/{familyId}/verify/url, /family/{familyId}/verify/now, /family/{familyId}/activate/{status}, and /family/{familyId}/geocode lack role-based access control, allowing users to deactivate/reactivate arbitrary families, spam verification emails, and mark families as verified and trigger geocoding. This vulnerability is fixed in 7.1.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
ChurchCRM CRM Affected: < 7.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-37978 (GCVE-0-2026-37978)

Vulnerability from cvelistv5 – Published: 2026-05-19 10:52 – Updated: 2026-05-20 16:08
VLAI
Title
Keycloak: org.keycloak.services: keycloak: information disclosure via evaluate-scopes admin api
Summary
A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID (userId) parameter. This vulnerability allows for cross-role personally identifiable information (PII) leakage, enabling unauthorized visibility into user identities and authorizations across the realm. Exploitation is possible remotely via network access to the Admin API.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:19596 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19597 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-37978 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2455327 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4.12-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-17 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4.12     cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Date Public
2026-05-19 10:43
Show details on NVD website

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CVE-2026-35584 (GCVE-0-2026-35584)

Vulnerability from cvelistv5 – Published: 2026-04-07 16:07 – Updated: 2026-04-09 14:29
VLAI
Title
FreeScout has an Unauthenticated IDOR in Open Tracking Endpoint Allows Cross-Conversation Thread Manipulation and Enumeration
Summary
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.212, the endpoint GET /thread/read/{conversation_id}/{thread_id} does not require authentication and does not validate whether the given thread_id belongs to the given conversation_id. This allows any unauthenticated attacker to mark any thread as read by passing arbitrary IDs, enumerate valid thread IDs via HTTP response codes (200 vs 404), and manipulate opened_at timestamps across conversations (IDOR). This vulnerability is fixed in 1.8.212.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Show details on NVD website

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CVE-2026-35489 (GCVE-0-2026-35489)

Vulnerability from cvelistv5 – Published: 2026-04-07 14:53 – Updated: 2026-04-07 15:58
VLAI
Title
Tandoor Recipes — `amount`/`unit` bypass serializer in `food/{id}/shopping/`
Summary
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, the POST /api/food/{id}/shopping/ endpoint reads amount and unit directly from request.data and passes them without validation to ShoppingListEntry.objects.create(). Invalid amount values (non-numeric strings) cause an unhandled exception and HTTP 500. A unit ID from a different Space can be associated cross-space, leaking foreign-key references across tenant boundaries. All other endpoints creating ShoppingListEntry use ShoppingListEntrySerializer, which validates and sanitizes these fields. This vulnerability is fixed in 2.6.4.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
Vendor Product Version
TandoorRecipes recipes Affected: < 2.6.4
Create a notification for this product.
Show details on NVD website

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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.