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.

5191 vulnerabilities reference this CWE, most recent first.

CVE-2026-109165 (GCVE-0-2026-109165)

Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-14 17:41
VLAI
Title
TDuck survey form through 6.0 Authorization Bypass via User-Controlled Form Key in POST /user/form/item/batch/create
Summary
TDuck survey form through 6.0 contains a broken access control vulnerability that allows authenticated users to add fields to other users' forms via POST /user/form/item/batch/create. Attackers can submit an array whose first element references their own form and later elements reference a victim's formKey, injecting attacker-chosen fields onto the victim's public fill page.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 17:41 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
TDuckCloud tduck-survey-form Affected: 0 , ≤ 6.0 (custom)
Create a notification for this product.
Date Public
2026-10-10 00:00
Credits
Show details on NVD website

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CVE-2026-109164 (GCVE-0-2026-109164)

Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-12 13:10
VLAI
Title
TDuck survey form through 6.0 Authorization Bypass via User-Controlled Submission IDs in POST /user/form/data/delete/{formKey}
Summary
TDuck survey form through 6.0 contains an insecure direct object reference vulnerability that allows authenticated users to delete other users' form submissions by supplying arbitrary submission ids. Attackers can place their own formKey in the path and iterate sequential submission ids in the request body to permanently delete submissions platform-wide.
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
TDuckCloud tduck-survey-form Affected: 0 , ≤ 6.0 (custom)
Create a notification for this product.
Date Public
2026-10-10 00:00
Credits
Show details on NVD website

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CVE-2026-109116 (GCVE-0-2026-109116)

Vulnerability from cvelistv5 – Published: 2026-10-13 08:45 – Updated: 2026-10-14 13:41
VLAI
Title
AdithyaYelloju Restaurant-Management-System Order Management mysqli_query authorization
Summary
A vulnerability was determined in AdithyaYelloju Restaurant-Management-System up to 7f0e7e84255e8fcfd488e83f8f91451bbbff6b9c. Impacted is the function mysqli_query of the component Order Management. Executing a manipulation of the argument ID can lead to authorization bypass. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 13:40 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3931 records in the last 180 days details
References
Impacted products
Vendor Product Version
AdithyaYelloju Restaurant-Management-System Affected: 7f0e7e84255e8fcfd488e83f8f91451bbbff6b9c
    cpe:2.3:a:adithyayelloju:restaurant-management-system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-108924 (GCVE-0-2026-108924)

Vulnerability from cvelistv5 – Published: 2026-10-12 19:30 – Updated: 2026-10-16 17:19
VLAI
Title
getkirby Kirby Dynamic Option Generation OptionsQuery.php resolve authorization
Summary
A vulnerability was identified in getkirby Kirby up to 4.9.5/5.5.3. Affected by this issue is the function OptionsQuery::resolve of the file src/Option/OptionsQuery.php of the component Dynamic Option Generation. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. Upgrading to version 4.9.6 and 5.6.0 can resolve this issue. You should upgrade the affected component.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 16:31 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3931 records in the last 180 days details
Impacted products
Vendor Product Version
getkirby Kirby Affected: 4.9.0
Affected: 4.9.1
Affected: 4.9.2
Affected: 4.9.3
Affected: 4.9.4
Affected: 4.9.5
Affected: 5.5.0
Affected: 5.5.1
Affected: 5.5.2
Affected: 5.5.3
Unaffected: 4.9.6
Unaffected: 5.6.0
    cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-108879 (GCVE-0-2026-108879)

Vulnerability from cvelistv5 – Published: 2026-10-11 14:33 – Updated: 2026-10-18 12:13
VLAI
Title
JeecgBoot through 3.9.5 IDOR via /airag/api/getChatVariable Username Parameter
Summary
JeecgBoot through 3.9.5 contains an insecure direct object reference vulnerability in AiragBaseApiController that allows authenticated users to read other users' AI chat variables via the username parameter. Attackers can send POST requests to /airag/api/getChatVariable with a target appId, username, and variable name to retrieve stored chat memory values from Redis.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-18 11:54 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
jeecgboot JeecgBoot Affected: 0 , ≤ 3.9.5 (custom)
    cpe:2.3:a:jeecg:jeecg_boot:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-10 00:00
Credits
Show details on NVD website

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CVE-2026-108864 (GCVE-0-2026-108864)

Vulnerability from cvelistv5 – Published: 2026-10-11 13:26 – Updated: 2026-10-18 11:53
VLAI
Title
iFlytek Astron Agent through 1.1.2 Authorization Bypass via /workflow/v1/resume Endpoint
Summary
iFlytek Astron Agent through 1.1.2 contains an insecure direct object reference vulnerability that allows authenticated applications to resume other applications' paused workflows by supplying their event_id to POST /workflow/v1/resume. Attackers can predict Snowflake event IDs to inject resume content into victim workflows and read their continuation output stream, breaking cross-tenant isolation.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-18 11:37 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
iflytek astron-agent Affected: 0 , ≤ 1.1.2 (custom)
Create a notification for this product.
Date Public
2026-10-11 00:00
Show details on NVD website

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CVE-2026-108862 (GCVE-0-2026-108862)

Vulnerability from cvelistv5 – Published: 2026-10-11 13:26 – Updated: 2026-10-13 16:59
VLAI
Title
APIPark through 1.9.7-beta IDOR via application authorization endpoints
Summary
APIPark through 1.9.7-beta contains an insecure direct object reference vulnerability that allows authenticated users to read other applications' credentials by supplying a foreign authorization UUID. Attackers with authorization-view permission on one application can query /api/v1/app/authorization or its details route to retrieve plaintext API keys regardless of HideCredential.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:49 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
APIParkLab APIPark Affected: 0 , ≤ 1.9.7-beta (custom)
Create a notification for this product.
Date Public
2026-10-11 00:00
Show details on NVD website

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CVE-2026-108856 (GCVE-0-2026-108856)

Vulnerability from cvelistv5 – Published: 2026-10-11 13:26 – Updated: 2026-10-13 13:41
VLAI
Title
UnicomAI Wanwu through 0.6.5 Authorization Bypass via /v1/appspace/app/key AppKey Minting
Summary
UnicomAI Wanwu through 0.6.5 contains an authorization bypass vulnerability that allows authenticated users to mint AppKeys bound to other users' MCP servers via POST /v1/appspace/app/key. Attackers supplying a victim's MCP server UUID with appType mcpserver can open MCP sessions and invoke the server's tools using the victim's upstream authentication.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 13:40 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
UnicomAI Wanwu Affected: 0 , ≤ 0.6.5 (custom)
Create a notification for this product.
Date Public
2026-10-11 00:00
Show details on NVD website

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CVE-2026-108854 (GCVE-0-2026-108854)

Vulnerability from cvelistv5 – Published: 2026-10-11 13:26 – Updated: 2026-10-18 11:53
VLAI
Title
Wanwu before 0.6.3 IDOR AppKey Deletion via DELETE /v1/appspace/app/key
Summary
Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows any authenticated enabled user to delete other users' legacy AppKeys by supplying a numeric apiId. Attackers can iterate sequential key IDs against DELETE /v1/appspace/app/key to revoke AppKeys across organizations, breaking MCP and OpenAPI clients until owners issue new keys.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-18 11:36 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
UnicomAI Wanwu Affected: 0 , < 0.6.3 (semver)
Create a notification for this product.
Date Public
2026-10-11 00:00
Show details on NVD website

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CVE-2026-108853 (GCVE-0-2026-108853)

Vulnerability from cvelistv5 – Published: 2026-10-11 13:26 – Updated: 2026-10-13 19:42
VLAI
Title
UnicomAI Wanwu before 0.6.3 IDOR via DELETE /v1/appspace/app
Summary
UnicomAI Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows authenticated low-privileged users to delete other tenants' agent or RAG applications by supplying their appId. Attackers can send requests to DELETE /v1/appspace/app with guessed sequential assistant IDs to permanently delete victims' applications, workflows, conversations, and associated data.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:42 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6547 records in the last 180 days details
Impacted products
Vendor Product Version
UnicomAI Wanwu Affected: 0 , < 0.6.3 (semver)
Create a notification for this product.
Date Public
2026-10-11 00:00
Show details on NVD website

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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-appspace-cross-owner-delete"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/UnicomAI/wanwu/blob/v0.6.2/internal/bff-service/service/appspace.go#L20-L58"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/UnicomAI/wanwu/commit/13d0b225ec237d5a0b44730b2331efadaeb462a2"
        },
        {
          "name": "Wanwu v0.6.3 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/UnicomAI/wanwu/releases/tag/v0.6.3"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/UnicomAI/wanwu"
        },
        {
          "name": "VulnCheck Advisory: UnicomAI Wanwu before 0.6.3 IDOR via DELETE /v1/appspace/app",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/unicomai-wanwu-before-0.6.3-idor-via-delete-v1-appspace-app"
        }
      ],
      "title": "UnicomAI Wanwu before 0.6.3 IDOR via DELETE /v1/appspace/app",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-108853",
    "datePublished": "2026-10-11T13:26:02.706Z",
    "dateReserved": "2026-10-11T13:02:03.379Z",
    "dateUpdated": "2026-10-13T19:42:30.136Z",
    "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.