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-2026-2406 (GCVE-0-2026-2406)

Vulnerability from cvelistv5 – Published: 2026-07-22 08:51 – Updated: 2026-08-05 14:25
VLAI
Title
IDOR in Universe Software's Online Registration and Workflow Management System
Summary
Authorization bypass through User-Controlled key vulnerability in Universe Software Computer Marketing Trade and Industry Inc. Online Registration and Workflow Management System allows Exploiting Trust in Client. This issue affects Online Registration and Workflow Management System: through 12022026.
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 2026-07-22 12:41 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 74/100 over 272 records in the last 180 days details
References
Impacted products
Date Public
2026-07-22 08:43
Credits
Can Nesimi ARI
Show details on NVD website
To clipboard 

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CVE-2026-2398 (GCVE-0-2026-2398)

Vulnerability from cvelistv5 – Published: 2026-07-10 17:02 – Updated: 2026-07-16 12:59
VLAI
Title
IDOR in AdamPOS' MobilMen 20T
Summary
Authorization bypass through User-Controlled key vulnerability in Adam Retail Automation Ltd. MobilMen 20T allows Privilege Escalation. This issue affects MobilMen 20T: from v3 through 10072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 17:36 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 74/100 over 272 records in the last 180 days details
References
Impacted products
Vendor Product Version
Adam Retail Automation Ltd. MobilMen 20T Affected: v3 , ≤ 10072026 (custom)
Create a notification for this product.
Date Public
2026-07-10 16:57
Credits
Buğra Enis DÖNMEZ Oğuzhan KARASU
Show details on NVD website
To clipboard 

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CVE-2026-2366 (GCVE-0-2026-2366)

Vulnerability from cvelistv5 – Published: 2026-03-12 10:54 – Updated: 2026-04-02 16:47
VLAI
Title
Keycloak: keycloak: information disclosure via authorization bypass in admin api
Summary
A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.
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: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 13:14 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1086 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:6477 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6478 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-2366 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2439081 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4.11-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-14 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4.11     cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Date Public
2026-02-11 11:11
Credits
Red Hat would like to thank Joy Gilbert and Reynaldo Immanuel for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-2347 (GCVE-0-2026-2347)

Vulnerability from cvelistv5 – Published: 2026-05-14 09:25 – Updated: 2026-06-08 13:59
VLAI
Title
IDOR in Akıllı Ticaret's E-Commerce Pack
Summary
Authorization bypass through User-Controlled key vulnerability in Akilli Commerce Software Technologies Ltd. Co. E-Commerce Website allows Session Hijacking. This issue affects E-Commerce Website: before 4.5.001.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-14 17:47 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 74/100 over 272 records in the last 180 days details
References
Impacted products
Date Public
2026-05-14 09:22
Credits
Ferit ÖZNER Onur BİLİCİ
Show details on NVD website
To clipboard 

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CVE-2026-2346 (GCVE-0-2026-2346)

Vulnerability from cvelistv5 – Published: 2026-08-03 11:49 – Updated: 2026-08-03 13:17
VLAI
Title
IDOR in Menulux Software's Mobile App
Summary
Authorization bypass through User-Controlled key vulnerability in Menulux Software Inc. Mobile App allows Software Integrity Attack. This issue affects Mobile App: through 12.05.2026.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 13:17 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 74/100 over 272 records in the last 180 days details
References
Impacted products
Vendor Product Version
Menulux Software Inc. Mobile App Affected: 0 , ≤ 12.05.2026 (custom)
Create a notification for this product.
Date Public
2026-08-03 11:43
Credits
Sadık Çidem
Show details on NVD website
To clipboard 

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CVE-2026-2270 (GCVE-0-2026-2270)

Vulnerability from cvelistv5 – Published: 2026-10-26 22:30 – Updated: 2026-10-29 10:45
VLAI
Title
StatefulSet and ControllerRevision write permissions allow cross-namespace pod creation
Summary
A confused deputy attack exists in the StatefulSet controller that allows a user with namespace-scoped write permissions on StatefulSet and ControllerRevision objects to create a cross-namespace pod. An attacker exploiting this vulnerability would have full control over the resulting pod’s metadata and specification, including namespace selection. Note that the cross-namespace pod will be immediately deleted by the garbage collector unless the attacker is able to construct a valid StatefulSet OwnerReference. This would require referencing the UID of an existing StatefulSet in the victim’s namespace.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 03:56 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
kubernetes CNA under the mitre root
CNA scorecard – unranked: 4 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version
Kubernetes Kubernetes Affected: v1.34.0 , ≤ v1.34.11 (custom)
Affected: v1.35.0 , ≤ v1.35.8 (custom)
Affected: v1.36.0 , ≤ v1.36.4 (custom)
Affected: v1.37.0 , ≤ v1.37.0 (custom)
Create a notification for this product.
Credits
ImanOracle
Show details on NVD website
To clipboard 

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CVE-2026-2257 (GCVE-0-2026-2257)

Vulnerability from cvelistv5 – Published: 2026-03-13 08:25 – Updated: 2026-04-08 16:35
VLAI
Title
GetGenie <= 4.3.2 - Insecure Direct Object Reference to Authenticated (Author+) Stored Cross-Site Scripting via REST API
Summary
The GetGenie plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.2 due to missing validation on a user controlled key in the `action` function. This makes it possible for authenticated attackers, with Author-level access and above, to update post metadata for arbitrary posts. Combined with a lack of input sanitization, this leads to Stored Cross-Site Scripting when a higher-privileged user (such as an Administrator) views the affected post's "Competitor" tab in the GetGenie sidebar.
Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-13 16:05 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2374 records in the last 180 days details
References
Impacted products
Credits
Quốc Huy
Show details on NVD website
To clipboard 

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CVE-2026-2230 (GCVE-0-2026-2230)

Vulnerability from cvelistv5 – Published: 2026-02-18 16:28 – Updated: 2026-04-08 16:56
VLAI
Title
Booking Calendar <= 10.14.14 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary User Settings Modification
Summary
The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users' plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user.
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 2026-02-18 19:21 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2374 records in the last 180 days details
References
Impacted products
Vendor Product Version
wpdevelop Booking Calendar Affected: 0 , ≤ 10.14.14 (semver)
Create a notification for this product.
Credits
Tarcísio Luchesi De Almeida Silva
Show details on NVD website
To clipboard 

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CVE-2026-2104 (GCVE-0-2026-2104)

Vulnerability from cvelistv5 – Published: 2026-04-08 22:25 – Updated: 2026-04-09 15:43
VLAI
Title
Authorization Bypass Through User-Controlled Key in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to access confidential issues assigned to other users via CSV export due to insufficient authorization checks.
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 2026-04-09 15:43 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: 18.2 , < 18.8.9 (semver)
Affected: 18.9 , < 18.9.5 (semver)
Affected: 18.10 , < 18.10.3 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Thanks [ahacker1](https://hackerone.com/ahacker1) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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CVE-2026-2028 (GCVE-0-2026-2028)

Vulnerability from cvelistv5 – Published: 2026-04-24 03:27 – Updated: 2026-04-24 13:59
VLAI
Title
Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter
Summary
The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 13:58 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2374 records in the last 180 days details
References
Impacted products
Credits
Teerachai Somprasong
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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