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.

5459 vulnerabilities reference this CWE, most recent first.

CVE-2026-3306 (GCVE-0-2026-3306)

Vulnerability from cvelistv5 – Published: 2026-03-10 17:46 – Updated: 2026-03-11 14:17
VLAI
Title
Improper authorization in GitHub Projects allows modification of issue and pull request metadata without repository write access
Summary
An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value updates were applied without verifying the actor's repository write permissions. This vulnerability was reported via the GitHub Bug Bounty program and has been fixed in GitHub Enterprise Server versions 3.14.24, 3.15.19, 3.16.15, 3.17.12, 3.18.6 and 3.19.3.
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
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 14:17 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
GitHub_P CNA under the mitre root
CNA scorecard B 84/100 over 23 records in the last 180 days details
References
Impacted products
Vendor Product Version
GitHub Enterprise Server Affected: 3.14.0 , ≤ 3.14.23 (semver)
Affected: 3.15.0 , ≤ 3.15.18 (semver)
Affected: 3.16.0 , ≤ 3.16.14 (semver)
Affected: 3.17.0 , ≤ 3.17.11 (semver)
Affected: 3.18.0 , ≤ 3.18.5 (semver)
Affected: 3.19.0 , ≤ 3.19.2 (semver)
Create a notification for this product.
Credits
ahacker1
Show details on NVD website
To clipboard 

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CVE-2026-3235 (GCVE-0-2026-3235)

Vulnerability from cvelistv5 – Published: 2026-08-26 11:05 – Updated: 2026-08-28 18:35
VLAI
Title
WP Data Access – No-Code App Builder with Tables, Forms, Charts & Maps <= 5.5.68 - Unauthenticated Insecure Direct Object Reference to Data Access
Summary
The WP Data Access plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.5.68 via the 'check_app_access' function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to access data from protected app containers by exploiting a mismatch between the authorization check (performed against app_id) and data retrieval (performed using cnt_id without verifying container ownership).
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 18:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2364 records in the last 180 days details
References
Impacted products
Credits
type5afe
Show details on NVD website
To clipboard 

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CVE-2026-3185 (GCVE-0-2026-3185)

Vulnerability from cvelistv5 – Published: 2026-02-25 13:32 – Updated: 2026-02-25 14:38 X_Open Source
VLAI
Title
feiyuchuixue sz-boot-parent API Endpoint sys-message authorization
Summary
A vulnerability was found in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected is an unknown function of the file /api/admin/sys-message/ of the component API Endpoint. The manipulation of the argument messageId results in authorization bypass. The attack can be launched remotely. The exploit has been made public and could be used. Upgrading to version 1.3.3-beta is able to address this issue. The patch is identified as aefaabfd7527188bfba3c8c9eee17c316d094802. The affected component should be upgraded. The project was informed beforehand and acted very professional: "We have implemented message ownership verification, so that users can only query messages related to themselves."
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-25 14:36 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3789 records in the last 180 days details
References
Impacted products
Vendor Product Version
feiyuchuixue sz-boot-parent Affected: 1.3.2-beta
Unaffected: 1.3.3-beta
Create a notification for this product.
Credits
yuccun (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-3173 (GCVE-0-2026-3173)

Vulnerability from cvelistv5 – Published: 2026-05-28 05:30 – Updated: 2026-05-28 10:36
VLAI
Title
Meta Field Block <= 1.5.1 - Insecure Direct Object Reference to Authenticated (Contributor+) Arbitrary User Meta Exposure
Summary
The Meta Field Block plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.5.1. This is due to the plugin allowing users to specify arbitrary object IDs and object types via block attributes without validating whether the authenticated user has permission to access the requested object's metadata. This makes it possible for authenticated attackers, with Contributor-level access and above, to read arbitrary user meta, post meta, and term meta data from any object in the database. On sites using plugins that store sensitive data in meta fields (e.g., WooCommerce billing/shipping information), this could lead to the exposure of Personally Identifiable Information (PII) including names, email addresses, phone numbers, and physical addresses.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 10:25 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2364 records in the last 180 days details
References
Impacted products
Credits
Osvaldo Noe Gonzalez Del Rio
Show details on NVD website
To clipboard 

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CVE-2026-3139 (GCVE-0-2026-3139)

Vulnerability from cvelistv5 – Published: 2026-03-31 11:18 – Updated: 2026-04-08 17:01
VLAI
Title
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor <= 3.15.5 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Post Author Reassignment via Avatar Field
Summary
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 3.15.5 via the wppb_save_avatar_value() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to reassign ownership of arbitrary posts and attachments by changing 'post_author'.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 15:39 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2364 records in the last 180 days details
References
Impacted products
Credits
M Indra Purnama
Show details on NVD website
To clipboard 

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CVE-2026-3124 (GCVE-0-2026-3124)

Vulnerability from cvelistv5 – Published: 2026-03-30 01:24 – Updated: 2026-04-08 16:49
VLAI
Title
Download Monitor <= 5.1.7 - Insecure Direct Object Reference to Unauthenticated Arbitrary Order Completion via 'token' and 'order_id'
Summary
The Download Monitor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.7 via the executePayment() function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to complete arbitrary pending orders by exploiting a mismatch between the PayPal transaction token and the local order, allowing theft of paid digital goods by paying a minimal amount for a low-cost item and using that payment token to finalize a high-value order.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-30 14:55 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2364 records in the last 180 days details
References
Impacted products
Vendor Product Version
wpchill Download Monitor Affected: 0 , ≤ 5.1.7 (semver)
Create a notification for this product.
Credits
Hung Nguyen
Show details on NVD website
To clipboard 

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CVE-2026-3074 (GCVE-0-2026-3074)

Vulnerability from cvelistv5 – Published: 2026-05-14 05:36 – Updated: 2026-05-14 13:08
VLAI
Title
Authorization Bypass Through User-Controlled Key in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to download private debugging symbols from inaccessible projects due to improper access control.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-14 13:08 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
GitLab CNA under the mitre root
CNA scorecard B 75/100 over 296 records in the last 180 days details
References
Impacted products
Vendor Product Version
GitLab GitLab Affected: 16.7 , < 18.9.7 (semver)
Affected: 18.10 , < 18.10.6 (semver)
Affected: 18.11 , < 18.11.3 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Thanks [sndd](https://hackerone.com/sndd) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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CVE-2026-3073 (GCVE-0-2026-3073)

Vulnerability from cvelistv5 – Published: 2026-05-14 05:36 – Updated: 2026-05-14 13:07
VLAI
Title
Authorization Bypass Through User-Controlled Key in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to bypass PyPI package protection rules and upload restricted packages due to improper authorization checks.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-14 13:07 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
GitLab CNA under the mitre root
CNA scorecard B 75/100 over 296 records in the last 180 days details
References
Impacted products
Vendor Product Version
GitLab GitLab Affected: 17.6 , < 18.9.7 (semver)
Affected: 18.10 , < 18.10.6 (semver)
Affected: 18.11 , < 18.11.3 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Thanks [modhanami](https://hackerone.com/modhanami) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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CVE-2026-3020 (GCVE-0-2026-3020)

Vulnerability from cvelistv5 – Published: 2026-03-16 10:09 – Updated: 2026-03-16 15:27
VLAI
Title
Identity based authorization bypass vulnerability (IDOR) in the Wakyma application web
Summary
Identity based authorization bypass vulnerability (IDOR) that allows an attacker to modify the data of a legitimate user account, such as changing the victim's email address, validating the new email address, and requesting a new password. This could allow them to take complete control of other users' legitimate accounts
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 15:27 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
INCIBE CNA under the INCIBE root
CNA scorecard B 85/100 over 132 records in the last 180 days details
References
Impacted products
Vendor Product Version
Wakyma Wakyma application web Affected: all versions
    cpe:2.3:a:wakyma:wakyma_application_web:all_versions:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-16 10:00
Show details on NVD website
To clipboard 

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CVE-2026-2997 (GCVE-0-2026-2997)

Vulnerability from cvelistv5 – Published: 2026-02-23 01:55 – Updated: 2026-02-23 13:46
VLAI
Title
WisdomGarden｜Tronclass - Insecure Direct Object Reference
Summary
Tronclass developed by WisdomGarden has a Insecure Direct Object Reference vulnerability. After obtaining a course ID, authenticated remote attackers to modify a specific parameter to obtain a course invitation code, thereby joining any course.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
6.5 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-23 13:45 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
twcert CNA under the mitre root
CNA scorecard B 80/100 over 93 records in the last 180 days details
References
Impacted products
Vendor Product Version
WisdomGarden Tronclass Affected: 0 , ≤ 1.74 (custom)
Create a notification for this product.
Date Public
2026-02-23 01:51
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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