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.

5263 vulnerabilities reference this CWE, most recent first.

CVE-2026-84836 (GCVE-0-2026-84836)

Vulnerability from cvelistv5 – Published: 2026-09-03 16:31 – Updated: 2026-09-03 17:33
VLAI
Title
WordPress WC Ukraine Shipping plugin <= 1.22.3 - Insecure Direct Object References (IDOR) vulnerability
Summary
Subscriber Insecure Direct Object References (IDOR) in WC Ukraine Shipping <= 1.22.3 versions.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 17:33 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Patchstack CNA under the mitre root
CNA scorecard B 75/100 over 3017 records in the last 180 days details
References
Impacted products
Vendor Product Version
kirillbdev WC Ukraine Shipping Affected: n/a , ≤ 1.22.3 (custom)
Create a notification for this product.
Credits
Nguyen Ba Khanh - HPT Vietnam Corporation | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-84796 (GCVE-0-2026-84796)

Vulnerability from cvelistv5 – Published: 2026-09-02 11:11 – Updated: 2026-09-02 16:01
VLAI
Title
Craft CMS 5.0.0-RC1 before 5.10.11 GraphQL Entry Mutation Site Scope Bypass
Summary
Craft CMS versions before 5.10.11 contain a site scope bypass vulnerability in GraphQL entry mutation resolvers that fail to validate siteId through ArgumentManager::prepareArguments(). Attackers with tokens scoped to one site can read, modify, or delete entries across unauthorized sites by passing siteId directly in mutation arguments.
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
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 2026-09-02 13:43 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6762 records in the last 180 days details
References
Impacted products
Vendor Product Version
craftcms cms Affected: 5.0.0-RC1 , < 5.10.11 (semver)
Unaffected: 5.10.11 (semver)
    cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-18 00:00
Show details on NVD website
To clipboard 

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CVE-2026-84791 (GCVE-0-2026-84791)

Vulnerability from cvelistv5 – Published: 2026-09-23 11:45 – Updated: 2026-09-23 14:44
VLAI
Title
Broken Access Control vulnerability
Summary
ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.710 and below were vulnerable to a Broken Access Control vulnerability that allowed an authenticated low-privilege user to modify Change Management report schedule configurations for firewalls outside their assigned scope.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:42 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
Zohocorp CNA under the mitre root
CNA scorecard C 72/100 over 43 records in the last 180 days details
References
Impacted products
Vendor Product Version
Zohocorp ManageEngine OpManager Affected: 0 , < 12.8.711 (custom)
    cpe:2.3:a:zohocorp:manageengine_opmanager:*:*:*:*:*:*:*:*
Create a notification for this product.
Zohocorp ManageEngine Firewall Analyzer Affected: 0 , < 12.8.711 (custom)
    cpe:2.3:a:zohocorp:manageengine_firewall_analyzer:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-84789 (GCVE-0-2026-84789)

Vulnerability from cvelistv5 – Published: 2026-09-23 11:51 – Updated: 2026-09-23 12:43
VLAI
Title
Broken Access Control vulnerability
Summary
ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.710 and below were vulnerable to a Broken Access Control vulnerability that allowed an authenticated low-privilege user to create alert notifications for firewalls outside their assigned scope.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 12:42 UTC
CWE
  • CWE-639 - Authorization bypass through User-Controlled key
Assigner
Zohocorp CNA under the mitre root
CNA scorecard C 72/100 over 43 records in the last 180 days details
References
Impacted products
Vendor Product Version
Zohocorp ManageEngine OpManager Affected: 0 , < 12.8.711 (custom)
    cpe:2.3:a:zohocorp:manageengine_opmanager:*:*:*:*:*:*:*:*
Create a notification for this product.
Zohocorp ManageEngine Firewall Analyzer Affected: 0 , < 12.8.711 (custom)
    cpe:2.3:a:zohocorp:manageengine_firewall_analyzer:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-84771 (GCVE-0-2026-84771)

Vulnerability from cvelistv5 – Published: 2026-09-02 11:37 – Updated: 2026-09-02 12:45
VLAI
Title
WordPress PublishPress Permissions plugin <= 4.8.3 - Insecure Direct Object References (IDOR) vulnerability
Summary
Unauthenticated Insecure Direct Object References (IDOR) in PublishPress Permissions <= 4.8.3 versions.
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 2026-09-02 12:44 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Patchstack CNA under the mitre root
CNA scorecard B 75/100 over 3017 records in the last 180 days details
References
Impacted products
Vendor Product Version
PublishPress PublishPress Permissions Affected: n/a , ≤ 4.8.3 (custom)
Create a notification for this product.
Credits
Brobicho | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-84769 (GCVE-0-2026-84769)

Vulnerability from cvelistv5 – Published: 2026-09-03 16:31 – Updated: 2026-09-07 11:17
VLAI
Title
WordPress Business Directory plugin <= 6.4.26 - Insecure Direct Object References (IDOR) vulnerability
Summary
Unauthenticated Insecure Direct Object References (IDOR) in Business Directory <= 6.4.26 versions.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-07 10:59 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Patchstack CNA under the mitre root
CNA scorecard B 75/100 over 3017 records in the last 180 days details
References
Impacted products
Vendor Product Version
Strategy11 Team Business Directory Affected: n/a , ≤ 6.4.26 (custom)
Create a notification for this product.
Credits
sungbyeongchan | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-84720 (GCVE-0-2026-84720)

Vulnerability from cvelistv5 – Published: 2026-09-23 19:40 – Updated: 2026-10-16 11:55
VLAI
Title
Automation-controller: automation-controller: workflowjobnode.ancestor_artifacts lacks prevent_search, exposing no_log set_stats artifacts via orm-traversal count-oracle
Summary
A flaw was found in the Ansible Automation Platform automation-controller. The WorkflowJobNode.ancestor_artifacts database column, which stores the raw merged set_stats artifacts propagated between workflow nodes, is not wrapped in prevent_search() and is therefore accepted for arbitrary field lookups by the REST filter backend, even though it is omitted from the API serializer. Because the column is persisted before Ansible's no_log masking is applied, a user with only read access to a workflow — or, via a regular-expression lookup that bypasses the JSON cross-relation filter guard through the world-readable credential-types endpoint, any authenticated user with no roles — can use the result count as a boolean/count oracle to recover, character by character, secret values that a playbook author explicitly marked no_log, including across organizations.
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 2026-09-24 14:30 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1045 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:71113 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71114 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71177 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:71179 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-84720 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2527214 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8 Unaffected: 0:4.6.33-1.el8ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.5::el8
    cpe:/a:redhat:ansible_automation_platform:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9 Unaffected: 0:4.6.33-1.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.5::el8
    cpe:/a:redhat:ansible_automation_platform:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9 Unaffected: 0:4.7.17-1.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el10
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10
    cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 Unaffected: 1789673739 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.7 Unaffected: 1789580684 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.7::el9
Create a notification for this product.
Date Public
2026-09-23 00:00
Show details on NVD website
To clipboard 

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CVE-2026-84713 (GCVE-0-2026-84713)

Vulnerability from cvelistv5 – Published: 2026-09-23 19:40 – Updated: 2026-10-16 11:55
VLAI
Title
Automation-controller: automation-controller: notification.recipients/subject/error lack prevent_search, allowing zero-privilege cross-tenant recovery of notification recipient secrets via filter oracle
Summary
A flaw was found in the automation-controller notification subsystem. Although NotificationTemplate.notification_ configuration is protected from API filtering, its recipient value is copied in clear text into the unprotected Notification.recipients field on every send. Because the credential-types endpoint is listable by any authenticated user and the API filter backend traverses object relations without per-hop authorization, a user with no privileges can use a relational filter as a boolean count-oracle to recover, character by character and across organizations, the secret recipient values of other tenants' notifications — including PagerDuty service keys and Slack/Mattermost/RocketChat/Webhook bearer-token URLs. This flaw affects confidentiality.
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 2026-09-25 17:51 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1045 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:71177 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-84713 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2527197 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Ansible Automation Platform 2.7 Unaffected: 1789580684 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.7::el9
Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2     cpe:/a:redhat:ansible_automation_platform:2
Create a notification for this product.
Date Public
2026-09-23 00:00
Show details on NVD website
To clipboard 

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CVE-2026-84464 (GCVE-0-2026-84464)

Vulnerability from cvelistv5 – Published: 2026-09-25 18:18 – Updated: 2026-09-25 19:03
VLAI
Title
Zammad: IDOR in External Data Source rendering exposes ticket, user, group, and organization data
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's External Data Source feature, used to look up records from an external system, did not properly verify whether a user was allowed to see a specific ticket, user, group, or organization before including its details in a request to that external system. An authenticated user, including one with only basic customer access, could exploit this by referencing another record's ID, and thereby view details of tickets, customer accounts, teams, or organizations that did not belong to them. This issue is fixed in version 7.1.2.
Severity
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: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 19:03 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
zammad zammad Affected: < 7.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-84460 (GCVE-0-2026-84460)

Vulnerability from cvelistv5 – Published: 2026-09-25 18:14 – Updated: 2026-09-29 18:09
VLAI
Title
Zammad: Missing Authorization in TagsController#list Allows Cross-Object Tag Enumeration
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, any authenticated user can call the REST endpoint for getting a tag list and receive the tag names for the given ticket, regardless of whether they have access to that ticket. Tags are an internal categorization feature and may contain sensitive labels. Ticket IDs are sequential integers, making bulk enumeration straightforward. This issue is fixed in version 7.1.2.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:08 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
zammad zammad Affected: < 7.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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        {
          "lang": "en",
          "value": "Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, any authenticated user can call the REST endpoint for getting a tag list and receive the tag names for the given ticket, regardless of whether they have access to that ticket. Tags are an internal categorization feature and may contain sensitive labels. Ticket IDs are sequential integers, making bulk enumeration straightforward. This issue is fixed in version 7.1.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-25T18:14:49.086Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/zammad/zammad/security/advisories/GHSA-6vgm-xxp4-p6jv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/zammad/zammad/security/advisories/GHSA-6vgm-xxp4-p6jv"
        },
        {
          "name": "https://github.com/zammad/zammad/commit/13217eb6b3fdf350228b13f8cf69f640b8fd0da2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/zammad/zammad/commit/13217eb6b3fdf350228b13f8cf69f640b8fd0da2"
        },
        {
          "name": "https://github.com/zammad/zammad/commit/d1a5eabdd1285b202f75761c4406edc5509e217e",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/zammad/zammad/commit/d1a5eabdd1285b202f75761c4406edc5509e217e"
        }
      ],
      "source": {
        "advisory": "GHSA-6vgm-xxp4-p6jv",
        "discovery": "UNKNOWN"
      },
      "title": "Zammad: Missing Authorization in TagsController#list Allows Cross-Object Tag Enumeration"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-84460",
    "datePublished": "2026-09-25T18:14:49.086Z",
    "dateReserved": "2026-09-01T20:05:09.424Z",
    "dateUpdated": "2026-09-29T18:09:59.192Z",
    "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.

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