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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.

3996 vulnerabilities reference this CWE, most recent first.

CVE-2026-59235 (GCVE-0-2026-59235)

Vulnerability from cvelistv5 – Published: 2026-07-15 10:38 – Updated: 2026-07-15 12:23 X_Open Source
VLAI
Title
Missing authorization in Prospero Flow CRM allows low-privileged users to read all bank accounts
Summary
Missing Authorization (CWE-862) in BankAccountListController (app/Http/Controllers/Api/BankAccount/BankAccountListController.php), exposed at GET /api/bank-account, in Prospero Flow CRM <5.5.3, which allows a remote, authenticated attacker holding a low-privileged role (e.g. the "User"/"Usuario" role) to read arbitrary bank account records belonging to their company by sending an authenticated request to the endpoint with a valid bearer token, because the API route is protected only by the auth:api middleware and carries no permission gate, unlike the equivalent web route, which enforces can('read bank'), and the handler resolves records with Account::where('company_id', Auth::user()->company_id)->get(), performing only company scoping and no role or permission check before returning the data. This results in the unauthorized disclosure of sensitive banking information (e.g. IBAN, SWIFT/BIC, account identifiers) to users who should not have access to it.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 12:23 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
Impacted products
Vendor Product Version
Roskus Prospero Flow CRM Affected: 4.6.0 , < 5.5.3 (semver)
    cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-15 10:37
Credits
David Moreno Urbanos YoyoDavelion Gustavo Novaro Secur0 CNA Xoan M. Otero Jorge Cristian Fernández Cornejo
Show details on NVD website
To clipboard 

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CVE-2026-59234 (GCVE-0-2026-59234)

Vulnerability from cvelistv5 – Published: 2026-07-03 12:47 – Updated: 2026-07-06 15:57 X_Open Source
VLAI
Title
Authorization Bypass Through User-Controlled Key in Prospero Flow CRM calendar event deletion
Summary
Authorization Bypass Through User-Controlled Key (CWE-639) in CalendarDeleteEventController (app/Http/Controllers/Calendar/CalendarDeleteEventController.php), exposed at GET /calendar/event/delete/{id}, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calendar events belonging to other users by manipulating the {id} path parameter, because the delete handler resolves the record with Calendar::find($id)->delete() and performs no ownership check (no user_id/company_id scoping) before deletion. This results in unauthorized destruction of other users' calendar events across the platform.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 15:57 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
Roskus Prospero Flow CRM Affected: 1.0.0 , < 5.5.3 (semver)
    cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-02 22:00
Credits
Robert Mihaila Amirreza Fadaeizadeh Bidari Xoan M. Otero Jorge Secur0 CNA Gustavo Novaro
Show details on NVD website
To clipboard 

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CVE-2026-59233 (GCVE-0-2026-59233)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:14 – Updated: 2026-08-10 17:52 X_Open Source
VLAI
Title
Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation
Summary
Missing Authorization in the permission management component in Roskus Prospero Flow CRM before 5.2.1 allows any authenticated user to grant any role, including their own, the complete set of application permissions via a crafted POST request to the permission save endpoint, which performs no authorization check before synchronizing the submitted permissions to the specified role.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 17:52 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
Impacted products
Vendor Product Version
Roskus Prospero Flow CRM Affected: 0 , < 5.2.1 (semver)
    cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-10 12:09
Credits
k1di3 Cristian Fernández Cornejo Xoán M. Otero Jorge Secur0 CNA Gustavo Novaro
Show details on NVD website
To clipboard 

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CVE-2026-59216 (GCVE-0-2026-59216)

Vulnerability from cvelistv5 – Published: 2026-07-09 16:48 – Updated: 2026-07-10 03:55
VLAI
Title
Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, get_event_call delivered execute:python and execute:tool Socket.IO events to a client-supplied session_id after checking only that the session was connected, allowing authenticated users who learned another socket ID through ydoc:document:join to run code interpreter Python or tools in that user session. This issue is fixed in version 0.10.0.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 00:00 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.10.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-59215 (GCVE-0-2026-59215)

Vulnerability from cvelistv5 – Published: 2026-07-09 16:57 – Updated: 2026-07-09 18:40
VLAI
Title
Open WebUI: Private channel messages can be disclosed through cross-channel thread parent_id binding
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channel in the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose thread context across channels. This issue is fixed in version 0.10.0.
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 2026-07-09 18:39 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.10.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-59190 (GCVE-0-2026-59190)

Vulnerability from cvelistv5 – Published: 2026-07-10 16:33 – Updated: 2026-07-10 18:16
VLAI
Title
Grav Admin Plugin — IDOR Privilege Escalation via saveUser()
Summary
grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create and modify pages. In 1.10.52 and earlier, an authenticated attacker with admin.users permission can change the password of any user account, including the super administrator, by sending a direct POST request to /admin/user/{username}?task=save with data[password] because saveUser authorizes the caller's user-management permission but does not verify whether the caller may edit the target user. This issue is expected to be fixed in version 1.10.53.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 18:15 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
getgrav grav Affected: <= 1.10.52
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-59100 (GCVE-0-2026-59100)

Vulnerability from cvelistv5 – Published: 2026-07-02 19:43 – Updated: 2026-07-14 22:03 X_Open Source
VLAI
Title
LobeChat 2.2.9 - Broken Object Level Authorization via Chat-Group Agent Operations
Summary
LobeChat through 2.2.9 contains a broken object level authorization vulnerability that allows authenticated attackers to access and modify other users' chat-group agent data by supplying arbitrary group identifiers. Attackers can invoke the getGroupAgents, updateAgentInGroup, and removeAgentsFromGroup operations without user-scoped predicates to read agent listings, modify agent roles and ordering, and remove agents from chat groups belonging to other users.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
2.3 (Low)
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 16:20 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
lobehub lobehub Affected: 0 , ≤ 2.2.9 (semver)
    cpe:2.3:a:lobehub:lobehub:*:*:*:*:*:node.js:*:*
Create a notification for this product.
Date Public
2026-06-30 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-59098 (GCVE-0-2026-59098)

Vulnerability from cvelistv5 – Published: 2026-07-02 19:42 – Updated: 2026-07-14 22:03 X_Open Source
VLAI
Title
LobeChat 2.2.9 - Cross-User Document Disclosure via Unscoped RAG Semantic Search
Summary
LobeChat through 2.2.9 contains a broken access control vulnerability in the retrieval-augmented-generation semantic search functionality that allows authenticated attackers to access other users' data by exploiting missing user-identifier predicates in the chunk model semanticSearch method. Attackers can supply arbitrary victim file or knowledge-base identifiers through the chunk retrieval and chat knowledge-base paths to retrieve text content, file names, and metadata belonging to other users.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 16:36 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
lobehub lobehub Affected: 0 , ≤ 2.2.9 (semver)
    cpe:2.3:a:lobehub:lobehub:*:*:*:*:*:node.js:*:*
Create a notification for this product.
Date Public
2026-06-30 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-58660 (GCVE-0-2026-58660)

Vulnerability from cvelistv5 – Published: 2026-07-15 17:03 – Updated: 2026-07-15 17:54 X_Open Source
VLAI
Title
Kanboard BoardAjaxController Missing Ownership Check via Drag-and-Drop
Summary
Kanboard through 1.2.52, fixed in commit 564cc30, BoardAjaxController save() method (used by the kanban board drag-and-drop endpoint) validates the caller's role on the attacker-supplied project_id but never verifies that the supplied task_id actually belongs to that project. Because task identifiers are sequential integers shared across the entire instance, any authenticated user who is a member of at least one project can enumerate and move (corrupt/hide) tasks belonging to any other project on the same instance, including private projects they have no membership or role on.
Severity
7.2 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 17:53 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
kanboard kanboard Affected: 0 , < 1.2.52 (semver)
Unaffected: 564cc30e1e360959572e01e158734d9475c05903 (git)
    cpe:2.3:a:kanboard:kanboard:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-13 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-58653 (GCVE-0-2026-58653)

Vulnerability from cvelistv5 – Published: 2026-07-02 12:34 – Updated: 2026-07-02 13:15
VLAI
Title
PraisonAI - Authorization Bypass via Unvalidated project_id in Issue Create/Update
Summary
PraisonAI before 0.1.7 fails to validate that project_id in issue create and update request bodies belongs to the URL workspace. An attacker can create issues referencing projects from other workspaces, causing cross-tenant data pollution in project statistics aggregation without workspace constraints.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-02 13:15 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version
PraisonAI PraisonAI Affected: 0 , < 0.1.7 (semver)
Unaffected: 0.1.7 (semver)
    cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-17 00:00
Credits
sai-sh
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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