CWE-639
Authorization Bypass Through User-Controlled Key
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.
CVE-2026-34444 (GCVE-0-2026-34444)
Vulnerability from cvelistv5 – Published: 2026-04-06 15:30 – Updated: 2026-04-06 18:37
VLAI
Title
Lupa has a Sandbox escape and RCE due to incomplete attribute_filter enforcement in getattr / setattr
Summary
Lupa integrates the runtimes of Lua or LuaJIT2 into CPython. In 2.6 and earlier, attribute_filter is not consistently applied when attributes are accessed through built-in functions like getattr and setattr. This allows an attacker to bypass the intended restrictions and eventually achieve arbitrary code execution.
Severity
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/scoder/lupa/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-3453 (GCVE-0-2026-3453)
Vulnerability from cvelistv5 – Published: 2026-03-11 02:22 – Updated: 2026-04-08 17:01
VLAI
Title
ProfilePress <= 4.16.11 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Subscription Cancellation/Expiration
Summary
The ProfilePress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.16.11. This is due to missing ownership validation on the change_plan_sub_id parameter in the process_checkout() function. The ppress_process_checkout AJAX handler accepts a user-controlled subscription ID intended for plan upgrades, loads the subscription record, and cancels/expires it without verifying the subscription belongs to the requesting user. This makes it possible for authenticated attackers, with Subscriber-level access and above, to cancel and expire any other user's active subscription via the change_plan_sub_id parameter during checkout, causing immediate loss of paid access for victims.
Severity
8.1 (High)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| properfraction | Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress |
Affected:
0 , ≤ 4.16.11
(semver)
|
Credits
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CVE-2026-3454 (GCVE-0-2026-3454)
Vulnerability from cvelistv5 – Published: 2026-05-05 06:43 – Updated: 2026-05-05 12:59
VLAI
Title
GenerateBlocks <= 2.2.0 - Insecure Direct Object Reference to Authenticated (Contributor+) Sensitive Information Exposure via Dynamic Tag Replacements
Summary
The GenerateBlocks plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.2.0. This is due to missing object-level authorization checks in the /wp-json/generateblocks/v1/dynamic-tag-replacements REST endpoint. The endpoint only verifies that the user has the edit_posts capability but does not verify the user has permission to access the specific post or its associated data referenced by attacker-controlled id parameters in dynamic tag content. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract sensitive information from arbitrary posts including author email addresses and non-protected post meta values by crafting dynamic tag payloads such as {{post_meta id:<target>|key:<meta_key>}} and {{post_title id:<target>|link:author_email}}.
Severity
6.5 (Medium)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| edge22 | GenerateBlocks |
Affected:
0 , ≤ 2.2.0
(semver)
|
Credits
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CVE-2026-34584 (GCVE-0-2026-34584)
Vulnerability from cvelistv5 – Published: 2026-04-02 17:31 – Updated: 2026-04-02 19:09
VLAI
Title
listmonk: Broken Access Control in CSV Import (Unauthorized List Assignment)
Summary
listmonk is a standalone, self-hosted, newsletter and mailing list manager. From version 4.1.0 to before version 6.1.0, bugs in list permission checks allows users in a multi-user environment to access to lists (which they don't have access to) under different scenarios. This only affects multi-user environments with untrusted users. This issue has been patched in version 6.1.0.
Severity
5.4 (Medium)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/knadh/listmonk/security/adviso… | x_refsource_CONFIRM |
| https://github.com/knadh/listmonk/commit/347f5976… | x_refsource_MISC |
| https://github.com/knadh/listmonk/releases/tag/v6.1.0 | x_refsource_MISC |
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CVE-2026-34602 (GCVE-0-2026-34602)
Vulnerability from cvelistv5 – Published: 2026-04-14 21:29 – Updated: 2026-04-15 13:32
VLAI
Title
Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthorized Enrollment of Arbitrary Users into Courses
Summary
Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the /api/course_rel_users endpoint is vulnerable to Insecure Direct Object Reference (IDOR), allowing an authenticated attacker to modify the user parameter in the request body to enroll any arbitrary user into any course without proper authorization checks. The backend trusts the user-supplied input for the user field and performs no server-side verification that the requester owns the referenced user ID or has permission to act on behalf of other users. This enables unauthorized manipulation of user-course relationships, potentially granting unintended access to course materials, bypassing enrollment controls, and compromising platform integrity. This issue has been fixed in version 2.0.0-RC.3.
Severity
7.1 (High)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/chamilo/chamilo-lms/security/a… | x_refsource_CONFIRM |
| https://github.com/chamilo/chamilo-lms/commit/2a9… | x_refsource_MISC |
| https://github.com/chamilo/chamilo-lms/commit/bd2… | x_refsource_MISC |
| https://github.com/chamilo/chamilo-lms/commit/c9c… | x_refsource_MISC |
| https://github.com/chamilo/chamilo-lms/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| chamilo | chamilo-lms |
Affected:
< 2.0.0-RC.3
|
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CVE-2026-3473 (GCVE-0-2026-3473)
Vulnerability from cvelistv5 – Published: 2026-05-22 10:27 – Updated: 2026-05-22 12:12
VLAI
Title
Improper file ownership validation in the Boards API allows unauthorised file access
Summary
Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to validate file ownership and access control, which allows an authenticated user to access and download files belonging to other users or teams via crafted Boards API requests using valid file IDs.. Mattermost Advisory ID: MMSA-2026-00620
Severity
5.9 (Medium)
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:
11.6.0 , ≤ 11.6.0
(semver)
Affected: 11.5.0 , ≤ 11.5.3 (semver) Affected: 11.4.0 , ≤ 11.4.4 (semver) Affected: 10.11.0 , ≤ 10.11.14 (semver) Unaffected: 11.7.0 Unaffected: 11.6.1 Unaffected: 11.5.4 Unaffected: 11.4.5 Unaffected: 10.11.15 |
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CVE-2026-34832 (GCVE-0-2026-34832)
Vulnerability from cvelistv5 – Published: 2026-04-02 19:08 – Updated: 2026-04-03 14:43
VLAI
Title
Scoold: Cross-Account Feedback Deletion (IDOR)
Summary
Scoold is a Q&A and a knowledge sharing platform for teams. Prior to version 1.66.1, Scoold contains an authenticated authorization flaw in feedback deletion that allows any logged-in, low-privilege user to delete another user's feedback post by submitting its ID to POST /feedback/{id}/delete. The handler enforces authentication but does not enforce object ownership (or moderator/admin authorization) before deletion. In verification, a second non-privileged account successfully deleted a victim account's feedback item, and the item immediately disappeared from the feedback listing/detail views. This issue has been patched in version 1.66.1.
Severity
6.5 (Medium)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Erudika/scoold/security/adviso… | x_refsource_CONFIRM |
| https://github.com/Erudika/scoold/commit/5def88c2… | x_refsource_MISC |
| https://github.com/Erudika/scoold/releases/tag/1.66.1 | x_refsource_MISC |
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CVE-2026-34985 (GCVE-0-2026-34985)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:22 – Updated: 2026-04-10 20:41
VLAI
Title
LORIS has incorrect access checks in media module
Summary
LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 16.1.0 to before 27.0.3 and 28.0.1, While the frontend of the media module filters files that the user should not have access to, the backend was not applying access checks and it would be possible for someone who should not have access to a file to access it if they know the filename. This vulnerability is fixed in 27.0.3 and 28.0.1.
Severity
6.3 (Medium)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/aces/Loris/security/advisories… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-35023 (GCVE-0-2026-35023)
Vulnerability from cvelistv5 – Published: 2026-04-08 12:59 – Updated: 2026-04-09 17:57
VLAI
Title
Wimi Teamwork On-Premises < 8.2.0 IDOR via preview.php
Summary
Wimi Teamwork On-Premises versions prior to 8.2.0 contain an insecure direct object reference vulnerability in the preview.php endpoint where the item_id parameter lacks proper authorization checks. Attackers can enumerate sequential item_id values to access and retrieve image previews from other users' private or group conversations, resulting in unauthorized disclosure of sensitive information.
Severity
4.3 (Medium)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.wimi-teamwork.com/en/product-update | release-notespatch |
| https://www.vulncheck.com/advisories/wimi-teamwor… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cloud Solutions SAS | Wimi Teamwork |
Affected:
0 , < 8.2.0
(semver)
|
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CVE-2026-35045 (GCVE-0-2026-35045)
Vulnerability from cvelistv5 – Published: 2026-04-06 17:17 – Updated: 2026-04-07 14:29
VLAI
Title
Tandoor Recipes Affected by Private Recipe Exposure and Unauthorized Modification
Summary
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, the PUT /api/recipe/batch_update/ endpoint in Tandoor Recipes allows any authenticated user within a Space to modify any recipe in that Space, including recipes marked as private by other users. This bypasses all object-level authorization checks enforced on standard single-recipe endpoints (PUT /api/recipe/{id}/), enabling forced exposure of private recipes, unauthorized self-grant of access via the shared list, and metadata tampering. This vulnerability is fixed in 2.6.4.
Severity
8.1 (High)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/TandoorRecipes/recipes/securit… | x_refsource_CONFIRM |
| https://github.com/TandoorRecipes/recipes/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TandoorRecipes | recipes |
Affected:
< 2.6.4
|
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Mitigation
Phase: Architecture and Design
Description:
- For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Mitigation
Phases: Architecture and Design, Implementation
Description:
- 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
Phase: Architecture and Design
Description:
- 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.