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.

2790 vulnerabilities reference this CWE, most recent first.

CVE-2026-90598 (GCVE-0-2026-90598)

Vulnerability from cvelistv5 – Published: 2026-09-13 21:45 – Updated: 2026-09-16 14:18
VLAI
Title
jaygajera17 E-commerce-project-springBoot UserController.java UserController.updateUser authorization
Summary
A vulnerability was detected in jaygajera17 E-commerce-project-springBoot up to 5e74a46b4b70623d0e4a0c9c4aee3bd1777185d2. The impacted element is the function UserController.updateUser of the file UserController.java. Performing a manipulation of the argument userid results in authorization bypass. It is possible to initiate the attack remotely. The exploit is now public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 14:17 UTC
CWE
Assigner
VulDB CNA
Impacted products
Vendor Product Version
jaygajera17 E-commerce-project-springBoot Affected: 5e74a46b4b70623d0e4a0c9c4aee3bd1777185d2
    cpe:2.3:a:jaygajera17:e-commerce-project-springboot:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-90552 (GCVE-0-2026-90552)

Vulnerability from cvelistv5 – Published: 2026-09-12 12:08 – Updated: 2026-09-15 17:06
VLAI
Title
WWBN AVideo Missing Authorization via Playlists_schedules list.json.php
Summary
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate playlist ownership in the Playlists_schedules/list.json.php and Live/calendar.json.php endpoints, allowing authenticated and unauthenticated users to read private playlist schedule metadata. Attackers with canStream privileges or no authentication can retrieve schedule names, descriptions, timestamps, and playlist identifiers by querying these endpoints without ownership checks.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:05 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
WWBN AVideo Affected: 0 , ≤ c3edcc274c389816d434acadac07ee78eaf330c1 (git)
    cpe:2.3:a:wwbn:avideo:-:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-28 00:00
Credits
Show details on NVD website

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CVE-2026-90542 (GCVE-0-2026-90542)

Vulnerability from cvelistv5 – Published: 2026-09-12 12:08 – Updated: 2026-09-15 17:02
VLAI
Title
WWBN AVideo Missing Authorization via remindMe.json.php
Summary
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate that logged-in users can access live schedules before creating reminders via remindMe.json.php. Authenticated attackers can create scheduler reminders for private live schedules they cannot view and learn the private schedule title from the generated email job.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:01 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
WWBN AVideo Affected: 0 , ≤ c3edcc274c389816d434acadac07ee78eaf330c1 (git)
    cpe:2.3:a:wwbn:avideo:-:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-28 00:00
Credits
Show details on NVD website

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CVE-2026-90534 (GCVE-0-2026-90534)

Vulnerability from cvelistv5 – Published: 2026-09-12 12:08 – Updated: 2026-09-14 18:16
VLAI
Title
Flowise before 3.1.4 Cross-Workspace Credential IDOR via node-load-method
Summary
Flowise is a low-code platform for building LLM applications. In versions up to and including 3.1.3, the POST /api/v1/node-load-method/:name endpoint is mounted without any route-level permission check and invokes component loadMethods with an attacker-controlled nodeName, loadMethod, inputs, and credential value. The selected credential is resolved by raw Credential.id via getCredentialData() and decrypted without verifying Credential.workspaceId against the caller's active or shared workspace, unlike other credential read paths which are workspace-scoped. As a result, an authenticated low-privilege user (or workspace API key) in one workspace can supply a credential ID owned by another workspace and cause Flowise to act as a confused deputy, performing third-party provider calls with the victim workspace's credential and returning provider metadata to the attacker. Statically identified affected load methods include Google Drive listFiles, Google Sheets listSpreadsheets, and AWS DynamoDB KV Storage listTables. The raw credential secret itself is not returned to the attacker. This issue is fixed in version 3.1.4.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 16:14 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: 0 , < 3.1.4 (semver)
Unaffected: 3.1.4 (semver)
    cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-28 00:00
Credits
Show details on NVD website

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CVE-2026-90521 (GCVE-0-2026-90521)

Vulnerability from cvelistv5 – Published: 2026-09-13 12:45 – Updated: 2026-09-14 17:24 X_Open Source
VLAI
Title
jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization
Summary
A vulnerability was found in jaychouchannel Tourism-Management-System up to 8122bf020d91199eddfff3ee02d1632a70a9a132. This issue affects some unknown processing of the file MenpiaodingdanController.java of the component CRUD. The manipulation of the argument ID results in authorization bypass. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The patch is identified as d44ec3aa0bd2a72c8800e3befb0a9a96a6491b86. It is best practice to apply a patch to resolve this issue.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 17:24 UTC
CWE
Assigner
VulDB CNA
Impacted products
Vendor Product Version
jaychouchannel Tourism-Management-System Affected: 8122bf020d91199eddfff3ee02d1632a70a9a132
    cpe:2.3:a:jaychouchannel:tourism-management-system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-90517 (GCVE-0-2026-90517)

Vulnerability from cvelistv5 – Published: 2026-09-13 11:45 – Updated: 2026-09-16 14:06 X_Freeware
VLAI
Title
PHPGurukul Bank Locker Management System view-assign-locker.php authorization
Summary
A vulnerability was identified in PHPGurukul Bank Locker Management System 1.0. This affects an unknown function of the file /blms/view-assign-locker.php. The manipulation of the argument ltid leads to authorization bypass. The attack may be initiated remotely. The exploit is publicly available and might be used.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 14:06 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
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https://vuldb.com/vuln/403104/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90517 third-party-advisory
https://vuldb.com/submit/912139 third-party-advisory
https://github.com/wakakakaaaaha/vuln/issues/2 exploitissue-tracking
https://phpgurukul.com/ product
Impacted products
Vendor Product Version
PHPGurukul Bank Locker Management System Affected: 1.0
    cpe:2.3:a:phpgurukul:bank_locker_management_system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-89333 (GCVE-0-2026-89333)

Vulnerability from cvelistv5 – Published: 2026-09-19 02:27 – Updated: 2026-09-19 14:01
VLAI
Title
Tutor LMS <= 4.0.8 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via 'student_id' Parameter
Summary
The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.0.8 via the 'student_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to disclose the email address and Tutor profile phone number of arbitrary WordPress users, including Administrators, by iterating over user IDs via the student_id parameter.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 13:20 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA
Impacted products
Credits
Show details on NVD website

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CVE-2026-89280 (GCVE-0-2026-89280)

Vulnerability from cvelistv5 – Published: 2026-10-16 03:38 – Updated: 2026-10-16 15:09
VLAI
Title
Dokan: AI Powered WooCommerce Multivendor Marketplace Solution <= 5.2.1 - Insecure Direct Object Reference to Authenticated (Custom+) Limited Account Takeover via 'password' Parameter to /wp-json/dokan/v1/customers/{id}
Summary
The Dokan: AI Powered WooCommerce Multivendor Marketplace Solution – Build Your Own Amazon, eBay, Etsy plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.2.1 via the 'password' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to change the WordPress account password of any customer who has placed at least one order with the attacking vendor, enabling login as that customer and resulting in a limited account takeover. Vendor-level access, required to exploit this vulnerability, can be self-registered through the public 'I am a vendor' registration flow when that option is enabled on the site.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 14:50 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA
Show details on NVD website

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CVE-2026-89264 (GCVE-0-2026-89264)

Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-24 14:21
VLAI
Title
MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity
Summary
MoguBlog through 6.2 fails to validate the comment author identity in the POST /web/comment/add endpoint, allowing authenticated users to post comments attributed to any other user. Attackers can supply arbitrary userUid values in the request body to impersonate other accounts including administrators.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:08 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
Impacted products
Vendor Product Version
moxi624 MoguBlog Affected: 0 , ≤ 6.2 (custom)
    cpe:2.3:a:mogublog_project:mogublog:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-11 00:00
Show details on NVD website

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CVE-2026-89262 (GCVE-0-2026-89262)

Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-24 14:21
VLAI
Title
MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
Summary
MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 18:17 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
Impacted products
Vendor Product Version
moxi624 MoguBlog Affected: 0 , ≤ 6.2 (custom)
    cpe:2.3:a:mogublog_project:mogublog:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-11 00:00
Show details on NVD website

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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-24T14:21:38.190Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "C04 - POST /web/comment/delete proof of concept",
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py"
        },
        {
          "name": "CommentRestApi.deleteBatch compares the stored author uid against a request-body field",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java"
        },
        {
          "name": "mogu_web WebSecurityConfig permits /web/comment/** for all callers",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java"
        },
        {
          "name": "MoguBlog releases",
          "tags": [
            "release-notes"
          ],
          "url": "https://gitee.com/moxi159753/mogu_blog_v2/releases"
        },
        {
          "name": "Product",
          "tags": [
            "product"
          ],
          "url": "https://github.com/moxi624/mogu_blog_v2"
        },
        {
          "name": "VulnCheck Advisory: MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-89262",
    "datePublished": "2026-09-11T15:25:17.192Z",
    "dateReserved": "2026-09-11T10:52:56.668Z",
    "dateUpdated": "2026-09-24T14:21:38.190Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.