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.
5261 vulnerabilities reference this CWE, most recent first.
CVE-2026-90542 (GCVE-0-2026-90542)
Vulnerability from cvelistv5 – Published: 2026-09-12 12:08 – Updated: 2026-09-15 17:02
VLAI
EPSS
VEX
Title
WWBN AVideo Missing Authorization via remindMe.json.php
Summary
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate that logged-in users can access live schedules before creating reminders via remindMe.json.php. Authenticated attackers can create scheduler reminders for private live schedules they cannot view and learn the private schedule title from the generated email job.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:01 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/wwbn-avideo-… | third-party-advisory |
Impacted products
Date Public
2026-08-28 00:00
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CVE-2026-90534 (GCVE-0-2026-90534)
Vulnerability from cvelistv5 – Published: 2026-09-12 12:08 – Updated: 2026-09-14 18:16
VLAI
EPSS
VEX
Title
Flowise before 3.1.4 Cross-Workspace Credential IDOR via node-load-method
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 16:14 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/flowise-befo… | third-party-advisory |
Impacted products
Date Public
2026-08-28 00:00
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CVE-2026-90521 (GCVE-0-2026-90521)
Vulnerability from cvelistv5 – Published: 2026-09-13 12:45 – Updated: 2026-09-14 17:24 X_Open Source
VLAI
EPSS
VEX
Title
jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization
Summary
A vulnerability was found in jaychouchannel Tourism-Management-System up to 8122bf020d91199eddfff3ee02d1632a70a9a132. This issue affects some unknown processing of the file MenpiaodingdanController.java of the component CRUD. The manipulation of the argument ID results in authorization bypass. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The patch is identified as d44ec3aa0bd2a72c8800e3befb0a9a96a6491b86. It is best practice to apply a patch to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 17:24 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403111 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/403111/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90521 | third-party-advisory |
| https://vuldb.com/submit/912235 | third-party-advisory |
| https://github.com/jaychouchannel/Tourism-Managem… | exploitissue-tracking |
| https://github.com/jaychouchannel/Tourism-Managem… | issue-trackingpatch |
| https://github.com/jaychouchannel/Tourism-Managem… | patch |
| https://github.com/jaychouchannel/Tourism-Managem… | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| jaychouchannel | Tourism-Management-System |
Affected:
8122bf020d91199eddfff3ee02d1632a70a9a132
cpe:2.3:a:jaychouchannel:tourism-management-system:*:*:*:*:*:*:*:* |
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CVE-2026-90517 (GCVE-0-2026-90517)
Vulnerability from cvelistv5 – Published: 2026-09-13 11:45 – Updated: 2026-09-16 14:06 X_Freeware
VLAI
EPSS
VEX
Title
PHPGurukul Bank Locker Management System view-assign-locker.php authorization
Summary
A vulnerability was identified in PHPGurukul Bank Locker Management System 1.0. This affects an unknown function of the file /blms/view-assign-locker.php. The manipulation of the argument ltid leads to authorization bypass. The attack may be initiated remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 14:06 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403104 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/403104/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90517 | third-party-advisory |
| https://vuldb.com/submit/912139 | third-party-advisory |
| https://github.com/wakakakaaaaha/vuln/issues/2 | exploitissue-tracking |
| https://phpgurukul.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PHPGurukul | Bank Locker Management System |
Affected:
1.0
cpe:2.3:a:phpgurukul:bank_locker_management_system:*:*:*:*:*:*:*:* |
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CVE-2026-89333 (GCVE-0-2026-89333)
Vulnerability from cvelistv5 – Published: 2026-09-19 02:27 – Updated: 2026-09-19 14:01
VLAI
EPSS
VEX
Title
Tutor LMS <= 4.0.8 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via 'student_id' Parameter
Summary
The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.0.8 via the 'student_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to disclose the email address and Tutor profile phone number of arbitrary WordPress users, including Administrators, by iterating over user IDs via the student_id parameter.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 13:20 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| themeum | Tutor LMS – eLearning and online course solution |
Affected:
0 , ≤ 4.0.8
(semver)
|
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CVE-2026-89280 (GCVE-0-2026-89280)
Vulnerability from cvelistv5 – Published: 2026-10-16 03:38 – Updated: 2026-10-16 15:09
VLAI
EPSS
VEX
Title
Dokan: AI Powered WooCommerce Multivendor Marketplace Solution <= 5.2.1 - Insecure Direct Object Reference to Authenticated (Custom+) Limited Account Takeover via 'password' Parameter to /wp-json/dokan/v1/customers/{id}
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, 5.2.1 via the 'password' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to change the WordPress account password of any customer who has placed at least one order with the attacking vendor, enabling login as that customer and resulting in a limited account takeover. Vendor-level access, required to exploit this vulnerability, can be self-registered through the public 'I am a vendor' registration flow when that option is enabled on the site.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 14:50 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dokaninc | Dokan: AI Powered WooCommerce Multivendor Marketplace Solution – Build Your Own Amazon, eBay, Etsy |
Affected:
0 , ≤ 5.2.1
(semver)
|
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CVE-2026-89264 (GCVE-0-2026-89264)
Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-24 14:21
VLAI
EPSS
VEX
Title
MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity
Summary
MoguBlog through 6.2 fails to validate the comment author identity in the POST /web/comment/add endpoint, allowing authenticated users to post comments attributed to any other user. Attackers can supply arbitrary userUid values in the request body to impersonate other accounts including administrators.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:08 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://gitee.com/moxi159753/mogu_blog_v2/releases | release-notes |
| https://github.com/moxi624/mogu_blog_v2 | product |
| https://www.vulncheck.com/advisories/mogublog-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-89262 (GCVE-0-2026-89262)
Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-24 14:21
VLAI
EPSS
VEX
Title
MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
Summary
MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 18:17 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://gitee.com/moxi159753/mogu_blog_v2/releases | release-notes |
| https://github.com/moxi624/mogu_blog_v2 | product |
| https://www.vulncheck.com/advisories/mogublog-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-89257 (GCVE-0-2026-89257)
Vulnerability from cvelistv5 – Published: 2026-09-11 11:15 – Updated: 2026-09-15 16:16
VLAI
EPSS
VEX
Title
AVideo through 29.0 Cross-User Category Asset Deletion via Missing Ownership Check
Summary
AVideo through 29.0 contains an insecure direct object reference (IDOR) vulnerability in objects/categoryDeleteAssets.json.php. The endpoint validates only the Category::canCreateCategory() capability and a CSRF nonce before passing the attacker-supplied $_REQUEST['id'] to Category::deleteAssets(), which recursively removes {systemRootPath}videos/categories/assets/{id}/. It omits the Category::userCanEditCategory() ownership check enforced by the sibling Category::delete(). On installations where the non-default usersCanCreateNewCategories setting is enabled, an authenticated non-admin user with the canUpload capability can send a POST request with an arbitrary category ID and recursively delete any category's on-disk asset directory (icons/images). Category records and videos are not deleted. As of the advisory publication no patched version was available.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 16:16 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/avideo-throu… | third-party-advisory |
Impacted products
Date Public
2026-08-27 00:00
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CVE-2026-89252 (GCVE-0-2026-89252)
Vulnerability from cvelistv5 – Published: 2026-09-11 11:15 – Updated: 2026-09-15 16:12
VLAI
EPSS
VEX
Title
AVideo Missing Authorization in addLiveLink.php LiveLink Update
Summary
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 16:12 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/avideo-missi… | third-party-advisory |
Impacted products
Date Public
2026-08-27 00:00
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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.