Common Weakness Enumeration
CWE-639
AllowedAuthorization 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.
3996 vulnerabilities reference this CWE, most recent first.
CVE-2026-59733 (GCVE-0-2026-59733)
Vulnerability from cvelistv5 – Published: 2026-07-14 21:38 – Updated: 2026-07-29 19:26
VLAI
EPSS
VEX
Title
rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories
Summary
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.74.4, rclone serve restic --private-repos enforces authorization using the routed user path segment while building the backend object key from the raw uncleaned URL path, allowing an authenticated user to include .. in a request such as //..//config and read, overwrite, or delete another user's private repository on backends that clean path components. This issue is fixed in version 1.74.4.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 03:55 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rclone/rclone/security/advisor… | x_refsource_CONFIRM |
| https://github.com/rclone/rclone/commit/015fd0eba… | x_refsource_MISC |
| https://github.com/rclone/rclone/commit/dade21c16… | x_refsource_MISC |
| https://github.com/rclone/rclone/releases/tag/v1.74.4 | x_refsource_MISC |
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CVE-2026-59712 (GCVE-0-2026-59712)
Vulnerability from cvelistv5 – Published: 2026-07-06 20:43 – Updated: 2026-07-28 17:46
VLAI
EPSS
VEX
Title
Leantime - JSON-RPC API Broken Access Control via users.getUser
Summary
Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to enumerate all accounts and obtain credentials for offline password cracking, 2FA bypass, and session hijacking.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-07 13:43 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Leantime/leantime/issues/3556 | issue-tracking |
| https://github.com/Leantime/leantime | product |
| https://github.com/Leantime/leantime/commit/4f261… | patch |
| https://www.vulncheck.com/advisories/leantime-cre… | third-party-advisory |
Impacted products
Date Public
2026-06-20 00:00
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CVE-2026-59546 (GCVE-0-2026-59546)
Vulnerability from cvelistv5 – Published: 2026-07-27 13:59 – Updated: 2026-07-27 16:09
VLAI
EPSS
VEX
Title
WordPress Hide My WP Ghost plugin <= 7.0.06 - 2FA Bypass vulnerability
Summary
Subscriber Broken Authentication in Hide My WP Ghost <= 7.0.06 versions.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 16:09 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| John Darrel | Hide My WP Ghost |
Affected:
n/a , ≤ 7.0.06
(custom)
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CVE-2026-59539 (GCVE-0-2026-59539)
Vulnerability from cvelistv5 – Published: 2026-07-27 13:59 – Updated: 2026-07-27 16:18
VLAI
EPSS
VEX
Title
WordPress Paid Member Subscriptions plugin <= 3.0.7 - Insecure Direct Object References (IDOR) vulnerability
Summary
Subscriber Insecure Direct Object References (IDOR) in Paid Member Subscriptions <= 3.0.7 versions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 15:10 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cozmoslabs | Paid Member Subscriptions |
Affected:
n/a , ≤ 3.0.7
(custom)
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CVE-2026-59259 (GCVE-0-2026-59259)
Vulnerability from cvelistv5 – Published: 2026-07-15 11:25 – Updated: 2026-07-15 18:47
VLAI
EPSS
VEX
Title
n8n - Permission Bypass via Expression Parser Mismatch in External Secrets
Summary
n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the externalSecret:list scope can embed external secret references into credentials in forms the static validation does not detect; these references resolve at workflow execution time, exposing secret values the user is not authorized to access. This issue only affects instances where an external secrets provider is configured and Advanced Permissions are in use.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 18:47 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | vendor-advisory |
| https://www.vulncheck.com/advisories/n8n-permissi… | third-party-advisory |
Impacted products
Date Public
2026-06-24 00:00
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CVE-2026-59254 (GCVE-0-2026-59254)
Vulnerability from cvelistv5 – Published: 2026-07-15 11:25 – Updated: 2026-07-15 13:25
VLAI
EPSS
VEX
Title
n8n - External Secrets Disclosure via Workflow Node Expressions
Summary
n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 13:20 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | vendor-advisory |
| https://www.vulncheck.com/advisories/n8n-external… | third-party-advisory |
Impacted products
Date Public
2026-06-24 00:00
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CVE-2026-59253 (GCVE-0-2026-59253)
Vulnerability from cvelistv5 – Published: 2026-07-08 13:49 – Updated: 2026-07-08 14:31
VLAI
EPSS
VEX
Title
n8n - Improper Authorization in Workflow Assignment to Folders
Summary
n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical integrity violations in target project folder structures.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 14:31 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | vendor-advisory |
| https://www.vulncheck.com/advisories/n8n-improper… | third-party-advisory |
Impacted products
Date Public
2026-06-24 00:00
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CVE-2026-59240 (GCVE-0-2026-59240)
Vulnerability from cvelistv5 – Published: 2026-07-27 21:37 – Updated: 2026-07-28 14:19 X_Open Source
VLAI
EPSS
VEX
Title
IDOR in Prospero Flow CRM allows deletion of other users' notifications
Summary
The vulnerability involves an Insecure Direct Object Reference (IDOR) in the `DeleteNotificationController::delete()` method at endpoint `GET /notification/delete/{id}`. The flaw allows any authenticated user, regardless of company or permissions, to delete notifications belonging to any other user in the system. The controller retrieves the target record with `Notification::findOrFail($id)` and deletes it without validating `user_id` or `company_id` ownership, unlike the sibling `SetNotificationReadAjaxController`, which correctly scopes lookups by `Auth::id()`. Because notification identifiers are sequential, an attacker can iterate over IDs to systematically delete notifications belonging to any user, denying them visibility of ticket alerts, task assignments, and other system events.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 14:19 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Roskus/prospero-flow-crm/commi… | patch |
| https://github.com/Roskus/prospero-flow-crm/relea… | release-notes |
| https://secur0.com/en/cna/cve-list/cve-2026-59240… | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Roskus | Prospero Flow CRM |
Affected:
1.0.0 , < 5.5.1
(semver)
cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 15:11
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CVE-2026-59237 (GCVE-0-2026-59237)
Vulnerability from cvelistv5 – Published: 2026-07-16 14:35 – Updated: 2026-07-16 14:55 X_Open Source
VLAI
EPSS
VEX
Title
IDOR in Prospero Flow CRM Order API allows cross-tenant read and modification of orders
Summary
Authorization Bypass Through User-Controlled Key (CWE-639) in the Order and OrderItem REST API controllers in Roskus Prospero Flow CRM before 5.5.3 allows a remote, authenticated user to read, modify, and delete orders and order items belonging to any other company (tenant) via a sequential numeric {id} supplied to GET /api/order/{id}, PUT /api/order/{id}, GET /api/order-item/{id}, PUT /api/order-item/{id}, or DELETE /api/order-item/{id}, because the controllers resolve records with Order::find($id) / Item::find($id) without scoping by the authenticated user's company.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 14:55 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Roskus/prospero-flow-crm/commi… | patch |
| https://github.com/Roskus/prospero-flow-crm/relea… | release-notes |
| https://secur0.com/en/cna/cve-list/cve-2026-59237… | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Roskus | Prospero Flow CRM |
Affected:
4.6.0 , < 5.5.3
(semver)
cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:* |
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CVE-2026-59236 (GCVE-0-2026-59236)
Vulnerability from cvelistv5 – Published: 2026-07-15 11:09 – Updated: 2026-07-15 12:22 X_Open Source
VLAI
EPSS
VEX
Title
Authorization bypass in Prospero Flow CRM Excel import allows cross-tenant record injection
Summary
Authorization Bypass Through User-Controlled Key (CWE-639) in the Excel import handlers (CustomerImport, LeadImport, ProductImport) in Roskus Prospero Flow CRM before 5.14.0 allows a remote, authenticated user of any role or company to create customer, lead, and product records inside another company's tenant via a spreadsheet whose company_id column points to the victim tenant, uploaded to POST /customer/import/excel/save, which maps company_id directly from the file and performs no check that it matches the authenticated user's company.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 12:22 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Roskus/prospero-flow-crm/commi… | patch |
| https://github.com/Roskus/prospero-flow-crm/relea… | release-notes |
| https://secur0.com/en/cna/cve-list/cve-2026-59236… | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Roskus | Prospero Flow CRM |
Affected:
1.0.0 , < 5.14.0
(semver)
cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:* |
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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.