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.

3375 vulnerabilities reference this CWE, most recent first.

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.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
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
To clipboard 

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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.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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
To clipboard 

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CVE-2026-35478 (GCVE-0-2026-35478)

Vulnerability from cvelistv5 – Published: 2026-04-08 19:24 – Updated: 2026-04-08 20:12
VLAI
Title
InvenTree has Arbitrary API Token Creation
Summary
InvenTree is an Open Source Inventory Management System. From 0.16.0 to before 1.2.7, any authenticated InvenTree user can create a valid API token attributed to any other user in the system — including administrators and superusers — by supplying the target's user ID in the user field of a POST /api/user/tokens/ request. The returned token is immediately usable for full API authentication as the target user, from any network location, with no further interaction required. This vulnerability is fixed in 1.2.7 and 1.3.0.
Severity
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
inventree InvenTree Affected: >= 0.16.0, < 1.2.7
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35430 (GCVE-0-2026-35430)

Vulnerability from cvelistv5 – Published: 2026-05-22 22:03 – Updated: 2026-06-19 16:11 Exclusively Hosted Service
VLAI
Title
Azure Privileged Identity Management (PIM) Elevation of Privilege Vulnerability
Summary
Authorization bypass through user-controlled key in Azure Privileged Identity Management (PIM) allows an authorized attacker to elevate privileges over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Date Public
2026-05-21 14:00
Show details on NVD website
To clipboard 

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CVE-2026-35210 (GCVE-0-2026-35210)

Vulnerability from cvelistv5 – Published: 2026-07-08 21:06 – Updated: 2026-07-09 13:45
VLAI
Title
OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP Header Injection
Summary
OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260326.0, an authorization bypass vulnerability in OpenCTI allows any authenticated user with KNOWLEDGE_KNUPDATE permission to bypass Confidence Level validation and Object Marking restrictions by injecting the synchronized-upsert: true HTTP header, enabling attackers to downgrade confidence levels, remove security markings such as TLP:RED, manipulate relationships, and affect STIX object types including Indicators, ThreatActors, Malware, and Reports. This issue is fixed in version 7.260326.0.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
SSVC
Exploitation: none 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
OpenCTI-Platform opencti Affected: < 7.260326.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35183 (GCVE-0-2026-35183)

Vulnerability from cvelistv5 – Published: 2026-04-06 19:11 – Updated: 2026-04-07 16:14
VLAI
Title
Brave CMS has an Insecure Direct Object Reference in Article Image Deletion
Summary
Brave CMS is an open-source CMS. Prior to 2.0.6, an Insecure Direct Object Reference (IDOR) vulnerability exists in the article image deletion feature. It is located in app/Http/Controllers/Dashboard/ArticleController.php within the deleteImage method. The endpoint accepts a filename from the URL but does not verify ownership. This allows an authenticated user with edit permissions to delete images attached to articles owned by other users. This vulnerability is fixed in 2.0.6.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
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
Ajax30 BraveCMS-2.0 Affected: < 2.0.6
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CVE-2026-35173 (GCVE-0-2026-35173)

Vulnerability from cvelistv5 – Published: 2026-04-06 17:48 – Updated: 2026-04-06 18:47
VLAI
Title
Chyrp Lite has an IDOR via Mass Assignment in Post Model
Summary
Chyrp Lite is an ultra-lightweight blogging engine. Prior to 2026.01, an IDOR / Mass Assignment issue exists in the Post model that allows authenticated users with post editing permissions (Edit Post, Edit Draft, Edit Own Post, Edit Own Draft) to modify posts they do not own and do not have permission to edit. By passing internal class properties such as id into the post_attributes payload, an attacker can alter the object being instantiated. As a result, further actions are performed on another user’s post rather than the attacker’s own post, effectively enabling post takeover. This vulnerability is fixed in 2026.01.
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 (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-914 - Improper Control of Dynamically-Identified Variables
Assigner
References
Impacted products
Vendor Product Version
xenocrat chyrp-lite Affected: < 2026.01
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CVE-2026-35165 (GCVE-0-2026-35165)

Vulnerability from cvelistv5 – Published: 2026-04-08 18:23 – Updated: 2026-04-08 20:13
VLAI
Title
LORIS has incorrect access checks in document_repository
Summary
LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 21.0.0 to before 27.0.3 and 28.0.1, while the document_repository frontend was restricting file access, the backend endpoint was not correctly verifying access permissions. A user could theoretically download a file that they should not have access to, if they know or can brute force the filename. This vulnerability is fixed in 27.0.3 and 28.0.1.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
aces Loris Affected: >= 21.0.0, < 27.0.3
Affected: >= 28.0.0, < 28.0.1
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CVE-2026-35147 (GCVE-0-2026-35147)

Vulnerability from cvelistv5 – Published: 2026-07-16 11:04 – Updated: 2026-07-16 11:56
VLAI
Title
HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access.
Summary
HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. The application fails to verify the user's authentication status when accessing specific API endpoints, allowing an unauthenticated attacker to interact with the APIs and perform unauthorized actions without valid credentials.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
HCL
References
Impacted products
Vendor Product Version
HCL Software DFXServer Affected: version 2.5 and below
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CVE-2026-35045 (GCVE-0-2026-35045)

Vulnerability from cvelistv5 – Published: 2026-04-06 17:17 – Updated: 2026-04-07 14:29
VLAI
Title
Tandoor Recipes Affected by Private Recipe Exposure and Unauthorized Modification
Summary
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, the PUT /api/recipe/batch_update/ endpoint in Tandoor Recipes allows any authenticated user within a Space to modify any recipe in that Space, including recipes marked as private by other users. This bypasses all object-level authorization checks enforced on standard single-recipe endpoints (PUT /api/recipe/{id}/), enabling forced exposure of private recipes, unauthorized self-grant of access via the shared list, and metadata tampering. This vulnerability is fixed in 2.6.4.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
TandoorRecipes recipes Affected: < 2.6.4
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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