Common Weakness Enumeration
CWE-639
AllowedAuthorization 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.
5434 vulnerabilities reference this CWE, most recent first.
CVE-2026-10023 (GCVE-0-2026-10023)
Vulnerability from cvelistv5 – Published: 2026-06-18 03:41 – Updated: 2026-06-18 13:53
VLAI
EPSS
VEX
Title
Dokan: AI Powered WooCommerce Multivendor Marketplace Solution <= 5.0.3 - Insecure Direct Object Reference to Authenticated (Custom+) Arbitrary Order Modification via Multiple AJAX Handlers
Summary
The Dokan: AI Powered WooCommerce Multivendor Marketplace Solution – Build Your Own Amazon, eBay, Etsy plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.0.3 via the change_order_status, add_order_note, delete_order_note, add_shipping_tracking_info, grant_access_to_download, and revoke_access_to_download AJAX handlers due to missing ownership validation on a user-controlled order ID key. This makes it possible for authenticated attackers, with custom vendor-level access and above, to modify the status of arbitrary orders, add attacker-controlled notes to any order (including customer-facing notes that trigger WooCommerce notification emails to buyers), delete any order note or WordPress comment by ID regardless of ownership, inject fake shipping tracking information on any order, and grant or revoke downloadable-product permissions on any order in the marketplace. Critically, nonce validity is not a barrier to exploitation: each of these AJAX handlers generates and embeds its nonce on the authenticated vendor's own dashboard order pages (e.g., /dashboard/orders/?order_id=OWN_ORDER_ID), which the attacker legitimately controls. The attacker harvests a valid nonce from their own order detail page and replays it against a victim order ID — the nonce only proves the request originates from a logged-in session, not that the order belongs to that vendor. This directly rebuts the prior rejection reasoning that 'users cannot generate valid nonces on command': vendor users can and do generate valid nonces on demand simply by loading their own dashboard pages. Source-code analysis confirmed the vulnerable code path is present and unpatched through version 5.0.1.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-18 13:22 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dokaninc | Dokan: AI Powered WooCommerce Multivendor Marketplace Solution – Build Your Own Amazon, eBay, Etsy |
Affected:
0 , ≤ 5.0.3
(semver)
|
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CVE-2026-9851 (GCVE-0-2026-9851)
Vulnerability from cvelistv5 – Published: 2026-06-06 04:28 – Updated: 2026-06-06 11:41
VLAI
EPSS
VEX
Title
Booking Package <= 1.7.16 - Authenticated (Editor+) Privilege Escalation via Account Takeover to updateUser AJAX Action
Summary
The Booking Package plugin for WordPress is vulnerable to Privilege Escalation via Account Takeover in versions up to, and including, 1.7.16. This is due to a missing capability check on the 'updateUser' branch of the package_app_action AJAX endpoint, where the handler only validates a nonce and the dispatcher invokes Schedule::updateUser() with the $administrator argument hard-coded to 1, bypassing the only owner-restriction check inside that function and allowing the target user to be determined solely by attacker-supplied input passed directly to wp_update_user(). This makes it possible for authenticated attackers, with Editor-level access and above, to change the email address and password of any account, including Administrator accounts, resulting in a full site takeover.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-06 11:33 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| masaakitanaka | Booking Package |
Affected:
0 , ≤ 1.7.16
(semver)
|
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CVE-2026-9812 (GCVE-0-2026-9812)
Vulnerability from cvelistv5 – Published: 2026-09-14 10:43 – Updated: 2026-09-14 11:19
VLAI
EPSS
VEX
Title
Missing property field ownership validation in Playbooks run property update endpoint
Summary
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to validate that a property field belongs to the specified run before updating its value which allows an authenticated user with run property-management access to crash the Playbooks plugin via a REST request referencing a property field that belongs to a different run. Mattermost Advisory ID: MMSA-2026-00684
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 11:03 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.9.0 , ≤ 11.9.0
(semver)
Affected: 11.8.0 , ≤ 11.8.4 (semver) Affected: 11.7.0 , ≤ 11.7.7 (semver) Affected: 10.11.0 , ≤ 10.11.22 (semver) Unaffected: 11.10.0 Unaffected: 11.9.1 Unaffected: 11.8.5 Unaffected: 11.7.8 Unaffected: 10.11.23 |
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CVE-2026-9799 (GCVE-0-2026-9799)
Vulnerability from cvelistv5 – Published: 2026-06-25 16:17 – Updated: 2026-06-26 06:46
VLAI
EPSS
VEX
Title
Keycloak: keycloak: unauthorized access to resources via uma permission ticket bypass
Summary
A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access (UMA) permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to all resources of that type within the same resource server, even if they do not have a ticket for those specific resources. This vulnerability requires the resource server to be configured in PERMISSIVE policy enforcement mode and affects typed resources with ownerManagedAccess enabled, where no explicit policy protects the resource type. The primary consequence is unauthorized information disclosure or modification of resources.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 02:06 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:30049 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30050 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30083 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30084 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-9799 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2482471 | issue-trackingx_refsource_REDHAT |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.13-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-19 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.13 |
cpe:/a:redhat:build_keycloak:26.4::el9
|
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6.4-2 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6-8 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6.4 |
cpe:/a:redhat:build_keycloak:26.6::el9
|
Date Public
2026-05-19 12:34
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CVE-2026-9712 (GCVE-0-2026-9712)
Vulnerability from cvelistv5 – Published: 2026-05-27 14:35 – Updated: 2026-05-28 15:39
VLAI
EPSS
VEX
Title
Insecure direct object reference
Summary
When creating an export through the pretix API, API clients are
returned an UUID value for their export job (a long, random string like
35742818-c375-4d15-839f-d49aecce94d6). Using this UUID, the API client
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used in other places in pretix when temporary files are generated for
internal use or download.
One remaining API endpoint, however, wrongfully did not verify if the
UUID used for download actually belongs to a file that is supposed to
be downloadable and belongs to the correct user. In reality, this is
hard to exploit because an attacker would need to have access to a valid
UUID for the file they desire which is unlikely to happen without a
separate security problem giving them access to logs etc.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 15:39 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://pretix.eu/about/en/blog/20260527-release-… | vendor-advisory |
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CVE-2026-9708 (GCVE-0-2026-9708)
Vulnerability from cvelistv5 – Published: 2026-07-13 08:00 – Updated: 2026-07-13 14:45
VLAI
EPSS
VEX
Title
Incoming webhook user attribution via unvalidated webhook owner
Summary
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to validate that an assigned incoming webhook user has access to the target team or channel, which allows a requester with webhook management permissions to create posts or direct messages attributed to another user via crafted incoming webhook configuration and payloads.. Mattermost Advisory ID: MMSA-2026-00683
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-13 14:44 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.2
(semver)
Affected: 11.6.0 , ≤ 11.6.4 (semver) Affected: 10.11.0 , ≤ 10.11.19 (semver) Unaffected: 11.8.0 Unaffected: 11.7.3 Unaffected: 11.6.5 Unaffected: 10.11.20 |
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CVE-2026-9589 (GCVE-0-2026-9589)
Vulnerability from cvelistv5 – Published: 2026-10-20 11:01 – Updated: 2026-10-20 15:36
VLAI
EPSS
VEX
Title
Unblu Spark Authorization Bypass in Configuration Cascade Operations
Summary
Missing authorization in the configuration cascade operations of the Collaboration Server in Unblu inc. Unblu Spark 7.0 through 8.36.1-hotfix.0, on on-premises and cloud deployments, allows an authenticated remote attacker to read and change configuration properties of entities they aren't authorized to access, including other users, other accounts and, in Unblu Cloud, other customers' accounts, via configuration read and write operations that target those entities.
The Collaboration Server doesn't check whether the user reading or changing configuration has access to the entity the configuration belongs to. With certain non-default configuration validation settings, a registered user can additionally write configuration properties they aren't allowed to edit, in any scope.
Exploitation requires an authenticated session but no user interaction.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 15:35 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://docs.unblu.com/latest/security-bulletins/… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unblu inc. | Unblu Spark |
Affected:
7.0 , < 8.37.0
(semver)
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CVE-2026-9493 (GCVE-0-2026-9493)
Vulnerability from cvelistv5 – Published: 2026-05-29 05:54 – Updated: 2026-05-29 11:43
VLAI
EPSS
VEX
Title
BankPro E-Service Technology｜Service Center - Insecure Direct Object Reference
Summary
Service Center developed by BankPro E-Service Technology has an Insecure Direct Object Reference vulnerability, allowing authenticated remote attackers to modify the parameter of a specific query function to access other users' EC order details.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 11:43 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10938-97ddd-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10940-d90bd-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BankPro E-Service Technology | Service Center |
Affected:
0
|
Date Public
2026-05-29 05:50
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CVE-2026-9341 (GCVE-0-2026-9341)
Vulnerability from cvelistv5 – Published: 2026-07-14 11:30 – Updated: 2026-07-14 12:45
VLAI
EPSS
VEX
Title
Academy LMS <= 3.8.0 - Authenticated (Subscriber+) Insecure Direct Object Reference via 'user_id' Parameter
Summary
The Academy LMS – WordPress LMS Plugin for Complete eLearning Solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.0 via the 'save_lesson_note', 'get_lesson_note', and 'complete_lesson_video' AJAX handlers due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read, overwrite, or delete the private lesson notes of any other user (including administrators), and to falsify lesson-completion progress for arbitrary users.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 12:45 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kodezen | Academy LMS |
Affected:
0 , ≤ 3.8.0
(semver)
|
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CVE-2026-9306 (GCVE-0-2026-9306)
Vulnerability from cvelistv5 – Published: 2026-05-23 15:00 – Updated: 2026-05-26 13:25
VLAI
EPSS
VEX
Title
QuantumNous new-api Midjourney Image Relay Endpoint relay-router.go GetByOnlyMJId authorization
Summary
A security vulnerability has been detected in QuantumNous new-api up to 0.12.1. This affects the function RelayMidjourneyImage/GetByOnlyMJId of the file router/relay-router.go of the component Midjourney Image Relay Endpoint. Such manipulation leads to authorization bypass. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is reported as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 13:25 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/365253 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/365253/cti | signaturepermissions-required |
| https://vuldb.com/submit/812196 | third-party-advisory |
| https://gist.github.com/YLChen-007/13974ead25fc6d… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QuantumNous | new-api |
Affected:
0.12.0
Affected: 0.12.1 cpe:2.3:a:quantumnous:new-api:*:*:*:*:*:*:*:* |
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"baseScore": 3.7,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 2.6,
"vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "Authorization Bypass",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T15:00:13.553Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-365253 | QuantumNous new-api Midjourney Image Relay Endpoint relay-router.go GetByOnlyMJId authorization",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/365253"
},
{
"name": "VDB-365253 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/365253/cti"
},
{
"name": "Submit #812196 | QuantumNous new-api 0.12.1 Authorization Bypass Through User-Controlled Key (CWE-639)",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/812196"
},
{
"tags": [
"exploit"
],
"url": "https://gist.github.com/YLChen-007/13974ead25fc6dac42fd7bac62fbb2df"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-05-22T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-05-22T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-05-22T20:08:43.000Z",
"value": "VulDB entry last update"
}
],
"title": "QuantumNous new-api Midjourney Image Relay Endpoint relay-router.go GetByOnlyMJId authorization"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-9306",
"datePublished": "2026-05-23T15:00:13.553Z",
"dateReserved": "2026-05-22T18:03:30.299Z",
"dateUpdated": "2026-05-26T13:25:51.641Z",
"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.