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.

4750 vulnerabilities reference this CWE, most recent first.

CVE-2026-94673 (GCVE-0-2026-94673)

Vulnerability from cvelistv5 – Published: 2026-09-30 12:27 – Updated: 2026-09-30 13:27
VLAI
Title
WordPress Simply Schedule Appointments plugin <= 1.6.12.31 - Insecure Direct Object References (IDOR) vulnerability
Summary
Unauthenticated Insecure Direct Object References (IDOR) in Simply Schedule Appointments <= 1.6.12.31 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 2026-09-30 13:09 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2645 records in the last 180 days details
References
Impacted products
Vendor Product Version
NSquared Simply Schedule Appointments Affected: n/a , ≤ 1.6.12.31 (custom)
Create a notification for this product.
Credits
rpgsec | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-94672 (GCVE-0-2026-94672)

Vulnerability from cvelistv5 – Published: 2026-09-30 12:27 – Updated: 2026-09-30 13:17
VLAI
Title
WordPress Safe SVG plugin <= 2.5.0 - Insecure Direct Object References (IDOR) vulnerability
Summary
Contributor Insecure Direct Object References (IDOR) in Safe SVG <= 2.5.0 versions.
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 2026-09-30 13:11 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2645 records in the last 180 days details
References
Impacted products
Vendor Product Version
10up Safe SVG Affected: n/a , ≤ 2.5.0 (custom)
Create a notification for this product.
Credits
Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-94536 (GCVE-0-2026-94536)

Vulnerability from cvelistv5 – Published: 2026-09-21 21:28 – Updated: 2026-09-23 15:19
VLAI
Title
lamp-cloud through 5.10.0 Unauthorized Information Disclosure via /anyone/visible/resource
Summary
lamp-cloud through 5.10.0 fails to validate the employeeId parameter in the /anyone/visible/resource endpoint, allowing authenticated users to read any employee's roles and permissions. Attackers can supply arbitrary employeeId values to enumerate other employees' role codes, permission codes, and complete front-end router trees without 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
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: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
dromara lamp-cloud Affected: 0 , ≤ 5.10.0 (custom)
    cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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CVE-2026-94535 (GCVE-0-2026-94535)

Vulnerability from cvelistv5 – Published: 2026-09-21 21:28 – Updated: 2026-09-22 13:28
VLAI
Title
lamp-cloud through 5.10.0 Unauthorized Notification Deletion
Summary
lamp-cloud through 5.10.0 contains an authorization bypass vulnerability in the deleteMyNotice endpoint that allows authenticated users to delete other users' notifications. Attackers can call the DELETE /anyone/extendNotice/deleteMyNotice endpoint with arbitrary notice IDs to permanently remove notifications belonging to other users without recipient validation.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 13:28 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
dromara lamp-cloud Affected: 0 , ≤ 5.10.0 (custom)
    cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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CVE-2026-94534 (GCVE-0-2026-94534)

Vulnerability from cvelistv5 – Published: 2026-09-21 21:28 – Updated: 2026-09-22 17:45
VLAI
Title
lamp-cloud through 5.10.0 Unauthorized Profile Modification via PUT endpoints
Summary
lamp-cloud through 5.10.0 fails to validate user identity in PUT /anyone/baseInfo and PUT /anyone/avatar endpoints, allowing authenticated attackers to modify arbitrary user profiles. Attackers can supply target user IDs in request bodies to rewrite profile fields including nickname, ID card, sex, nation, education, work description, and avatar attachments of other users.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 17:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
dromara lamp-cloud Affected: 0 , ≤ 5.10.0 (custom)
    cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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CVE-2026-94533 (GCVE-0-2026-94533)

Vulnerability from cvelistv5 – Published: 2026-09-21 21:28 – Updated: 2026-09-22 13:02
VLAI
Title
lamp-cloud through 5.10.0 Unauthorized File Download via /anyone/file
Summary
lamp-cloud through 5.10.0 contains an authorization bypass vulnerability in FileAnyoneController that allows authenticated users to download arbitrary attachments. Attackers can retrieve other users' stored files by supplying valid attachment identifiers to the /anyone/file/down and /anyone/file/download endpoints, as the application never validates file ownership against the created_by column.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 13:02 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
dromara lamp-cloud Affected: 0 , ≤ 5.10.0 (custom)
    cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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CVE-2026-94532 (GCVE-0-2026-94532)

Vulnerability from cvelistv5 – Published: 2026-09-21 21:28 – Updated: 2026-09-24 22:50
VLAI
Title
lamp-cloud through 5.10.0 Unauthorized User Profile Access via getUserInfoById
Summary
lamp-cloud through 5.10.0 contains an authorization bypass vulnerability in the getUserInfoById endpoint that allows authenticated users to read any other user's full profile. Attackers can iterate the userId parameter to harvest sensitive user information including mobile numbers, email addresses, national identity card numbers, and WeChat and DingTalk OpenIDs.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 22:50 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
dromara lamp-cloud Affected: 0 , ≤ 5.10.0 (custom)
    cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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CVE-2026-94510 (GCVE-0-2026-94510)

Vulnerability from cvelistv5 – Published: 2026-10-08 22:15 – Updated: 2026-10-10 03:55 Exclusively Hosted Service
VLAI
Title
Microsoft Bookings Elevation of Privilege Vulnerability
Summary
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 00:00 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 2679 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Bookings Affected: -
    cpe:2.3:a:microsoft:bookings:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-94497 (GCVE-0-2026-94497)

Vulnerability from cvelistv5 – Published: 2026-09-21 18:16 – Updated: 2026-09-22 17:45
VLAI
Title
jshERP through 3.6 Unauthorized Access via by-id Endpoints
Summary
jshERP through 3.6 fails to validate object ownership in by-id info, update, and delete endpoints across multiple resource types. Authenticated users can read, modify, and delete other users' business objects by submitting direct object identifiers without authorization checks.
Severity
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 17:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
jishenghua jshERP Affected: 0 , ≤ 3.6 (custom)
    cpe:2.3:a:jishenghua:jsherp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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CVE-2026-94494 (GCVE-0-2026-94494)

Vulnerability from cvelistv5 – Published: 2026-09-21 18:16 – Updated: 2026-09-21 19:19
VLAI
Title
jshERP through 3.6 Tenant Information Disclosure via GET /tenant/info
Summary
jshERP through 3.6 contains a tenant isolation bypass vulnerability that allows authenticated users to read other tenants' records via the GET /tenant/info endpoint. Attackers can iterate the primary key to enumerate and access sensitive tenant data including login names, validity dates, user quotas, and enabled state across all platform tenants.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 19:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5277 records in the last 180 days details
References
Impacted products
Vendor Product Version
jishenghua jshERP Affected: 0 , ≤ 3.6 (custom)
    cpe:2.3:a:jishenghua:jsherp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-19 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-94494",
    "datePublished": "2026-09-21T18:16:14.997Z",
    "dateReserved": "2026-09-21T17:52:00.703Z",
    "dateUpdated": "2026-09-21T19:19:58.792Z",
    "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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