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.

2790 vulnerabilities reference this CWE, most recent first.

CVE-2026-72629 (GCVE-0-2026-72629)

Vulnerability from cvelistv5 – Published: 2026-08-13 19:13 – Updated: 2026-08-13 20:27
VLAI
Title
Authorization Bypass Through User-Controlled Key in Kibana Leading to Cross-Space Access to Machine Learning Trained Models
Summary
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized cross-space access via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). The result is disclosure of inference output from a trained model in a different space that the user is not authorized to list, read, or use, which exposes the behavior of a model. The same pattern also reached the deployment stop and deployment update operations, allowing an active trained model deployment in another space to be stopped or to have its allocated resources altered.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 19:33 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
elastic CNA
References
Impacted products
Vendor Product Version
Elastic Kibana Affected: 8.19.0 , ≤ 8.19.19 (semver)
Affected: 9.0.0 , ≤ 9.4.4 (semver)
Affected: 9.5.0 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-72564 (GCVE-0-2026-72564)

Vulnerability from cvelistv5 – Published: 2026-08-10 10:40 – Updated: 2026-08-10 13:01
VLAI
Title
fosrl Pangolin - Access Token Scope Bypass Allows Cross-Resource Authentication
Summary
An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource.
Severity
9.6 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 13:01 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
TuranSec CNA
References
Impacted products
Vendor Product Version
fosrl Pangolin Affected: 0 , ≤ 1.20.0 (semver)
Create a notification for this product.
Date Public
2026-08-10 10:32
Credits
Bobur Abdugafforov
Show details on NVD website
To clipboard 

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CVE-2026-72547 (GCVE-0-2026-72547)

Vulnerability from cvelistv5 – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:10
VLAI
Title
Attendize Attendize - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to bulk import attendees into events belonging to other accounts via the postImportAttendee endpoint. The endpoint loads the target event by ID without verifying ownership against the requesting organiser account. An attacker can inject bulk attendee data into any event in the system regardless of account boundaries.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:09 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
TuranSec CNA
References
Impacted products
Vendor Product Version
Attendize Attendize Affected: 0 , ≤ 9289acb (custom)
Create a notification for this product.
Credits
Bobur Abdugafforov (Mahadsec)
Show details on NVD website
To clipboard 

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CVE-2026-72546 (GCVE-0-2026-72546)

Vulnerability from cvelistv5 – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:08
VLAI
Title
Attendize Attendize - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to inject attendees and orders into events belonging to other accounts via the postInviteAttendee endpoint. The endpoint loads the target event by ID without scoping the query to the authenticated organiser account. An attacker can modify event data and financial records across account boundaries.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:08 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
TuranSec CNA
References
Impacted products
Vendor Product Version
Attendize Attendize Affected: 0 , ≤ 9289acb (custom)
Create a notification for this product.
Credits
Bobur Abdugafforov (Mahadsec)
Show details on NVD website
To clipboard 

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CVE-2026-72545 (GCVE-0-2026-72545)

Vulnerability from cvelistv5 – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:07
VLAI
Title
OpenSignLabs OpenSign - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to write to any contact record via the updatecontacttour Parse cloud function. The function performs no authentication or authorization before updating the target contact record. An attacker can corrupt or overwrite contact data for any user in the system without credentials.
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 2026-08-11 15:07 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
TuranSec CNA
References
Impacted products
Vendor Product Version
OpenSignLabs OpenSign Affected: 0 , ≤ 2.37.0 (custom)
Create a notification for this product.
Credits
Bobur Abdugafforov (Mahadsec)
Show details on NVD website
To clipboard 

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CVE-2026-72543 (GCVE-0-2026-72543)

Vulnerability from cvelistv5 – Published: 2026-08-11 11:08 – Updated: 2026-08-11 14:48
VLAI
Title
OpenSignLabs OpenSign - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any contact record via the getcontact Parse cloud function. The function executes with useMasterKey and performs no authentication or authorization checks before returning the requested contact object. An attacker can enumerate and read all contact records including personally identifiable information without credentials.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:47 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
TuranSec CNA
References
Impacted products
Vendor Product Version
OpenSignLabs OpenSign Affected: 0 , ≤ 2.37.0 (custom)
Create a notification for this product.
Credits
Bobur Abdugafforov (Mahadsec)
Show details on NVD website
To clipboard 

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CVE-2026-72001 (GCVE-0-2026-72001)

Vulnerability from cvelistv5 – Published: 2026-08-31 18:17 – Updated: 2026-11-08 14:08 X_Open Source
VLAI
Title
Pangolin < 1.22.0 Authentication Bypass via Share-Link Endpoint
Summary
Pangolin before 1.22.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access any protected resource by supplying an attacker-controlled URL parameter to the share-link authentication endpoint that omits the expected resource identifier from the token verification call. Attackers holding a single valid share link for any resource can authenticate against arbitrary resources across different organizations, bypassing all configured authentication methods including SSO, resource passwords, PIN codes, email allowlists, and header authentication.
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
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/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 2026-08-31 18:49 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Pangolin Pangolin Affected: 0 , < 1.22.0 (semver)
    cpe:2.3:a:pangolin:pangolin:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-27 00:00
Credits
Asadbek Fatullayev VulnCheck
Show details on NVD website
To clipboard 

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CVE-2026-71854 (GCVE-0-2026-71854)

Vulnerability from cvelistv5 – Published: 2026-10-14 20:05 – Updated: 2026-10-15 15:05
VLAI
Title
OpenAEV has unauthenticated access and missing object-level authorization on player lessons API
Summary
OpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Prior to version 2.260622.0, on a default installation, the `/api/player/**` lessons endpoints can be called without authentication, and they trust a client-supplied `userId` query parameter without verifying that the caller is that user or a member of the exercise. An unauthenticated client that knows an exercise UUID can read lessons-learned questions and answers (including each answer's author identity) and create or overwrite answers attributed to an arbitrary user. Version 2.260622.0 contains a patch.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 13:55 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
OpenAEV-Platform openaev Affected: < 2.260622.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-71507 (GCVE-0-2026-71507)

Vulnerability from cvelistv5 – Published: 2026-08-24 19:03 – Updated: 2026-10-01 15:20 X_Open Source
VLAI
Title
Dolibarr < 24.0.0 REST API Broken Object-Level Authorization via Bank Account Routes
Summary
Dolibarr before 24.0.0 contains a broken object-level authorization vulnerability in the REST API company bank account write routes that allows authenticated attackers with third-party creation rights to create, replace, or delete bank account details of any company without requiring read access to that company. Attackers can inject attacker-controlled IBANs as creditor accounts, which are then written into regenerated SEPA credit-transfer files, redirecting outgoing payments to attacker-controlled accounts.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 20:00 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Dolibarr dolibarr Affected: 0 , < 24.0.0 (semver)
    cpe:2.3:a:dolibarr:dolibarr_erp\/crm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-18 00:00
Credits
CodeAnt AI Security Research VulnCheck
Show details on NVD website
To clipboard 

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CVE-2026-71505 (GCVE-0-2026-71505)

Vulnerability from cvelistv5 – Published: 2026-08-24 19:00 – Updated: 2026-10-01 15:20 X_Open Source
VLAI
Title
Dolibarr < 24.0.0 REST API Broken Object-Level Authorization via Third-Party Write Route
Summary
Dolibarr before 24.0.0 contains a broken object-level authorization vulnerability in the REST API third-party site account write routes that allows authenticated attackers with third-party creation rights to overwrite the WebPortal password of any company by bypassing per-object access checks that are only enforced on read routes. Attackers can replace the victim company's WebPortal password through the write endpoint, authenticate as that company to access its invoice data, and also obtain the victim's previous password verifier from the API response.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 19:28 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Dolibarr dolibarr Affected: 0 , < 24.0.0 (semver)
    cpe:2.3:a:dolibarr:dolibarr_erp\/crm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-16 00:00
Credits
CodeAnt AI Security Research VulnCheck
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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