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.
3467 vulnerabilities reference this CWE, most recent first.
CVE-2026-2554 (GCVE-0-2026-2554)
Vulnerability from cvelistv5 – Published: 2026-05-02 13:26 – Updated: 2026-05-05 00:28
VLAI
EPSS
VEX
Title
WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible <= 6.7.25 - Authenticated (Vendor+) Insecure Direct Object Reference to Arbitrary User Deletion
Summary
The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.7.25 via the 'wcfm_delete_wcfm_customer' due to missing validation on the 'customerid' user controlled key. This makes it possible for authenticated attackers, with Vendor-level access and above, to delete arbitrary users, including Administrators.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wclovers | WCFM – Frontend Manager for WooCommerce |
Affected:
0 , ≤ 6.7.25
(semver)
|
Credits
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CVE-2026-2461 (GCVE-0-2026-2461)
Vulnerability from cvelistv5 – Published: 2026-03-16 11:16 – Updated: 2026-03-16 13:49
VLAI
EPSS
VEX
Title
Missing authorization check allows unauthorized modification of other users' comments on a board
Summary
Mattermost Plugins versions <=11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
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:
0 , ≤ 11.0.3
(semver)
Affected: 0 , ≤ 11.2.2 (semver) Affected: 0 , ≤ 10.10.11 (semver) Unaffected: 11.4.0 Unaffected: 11.3.1 Unaffected: 11.2.3 Unaffected: 10.11.11 |
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CVE-2026-2414 (GCVE-0-2026-2414)
Vulnerability from cvelistv5 – Published: 2026-03-25 17:03 – Updated: 2026-03-27 14:56
VLAI
EPSS
VEX
Summary
Authorization bypass through User-Controlled key vulnerability in HYPR Server allows Privilege Escalation.This issue affects Server: from 9.5.2 before 10.7.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
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CVE-2026-2406 (GCVE-0-2026-2406)
Vulnerability from cvelistv5 – Published: 2026-07-22 08:51 – Updated: 2026-08-05 14:25
VLAI
EPSS
VEX
Title
IDOR in Universe Software's Online Registration and Workflow Management System
Summary
Authorization bypass through User-Controlled key vulnerability in Universe Software Computer Marketing Trade and Industry Inc. Online Registration and Workflow Management System allows Exploiting Trust in Client.
This issue affects Online Registration and Workflow Management System: through 12022026.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Universe Software Computer Marketing Trade and Industry Inc. | Online Registration and Workflow Management System |
Affected:
0 , ≤ 12022026
(custom)
|
Date Public
2026-07-22 08:43
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CVE-2026-2398 (GCVE-0-2026-2398)
Vulnerability from cvelistv5 – Published: 2026-07-10 17:02 – Updated: 2026-07-16 12:59
VLAI
EPSS
VEX
Title
IDOR in AdamPOS' MobilMen 20T
Summary
Authorization bypass through User-Controlled key vulnerability in Adam Retail Automation Ltd. MobilMen 20T allows Privilege Escalation.
This issue affects MobilMen 20T: from v3 through 10072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adam Retail Automation Ltd. | MobilMen 20T |
Affected:
v3 , ≤ 10072026
(custom)
|
Date Public
2026-07-10 16:57
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CVE-2026-2366 (GCVE-0-2026-2366)
Vulnerability from cvelistv5 – Published: 2026-03-12 10:54 – Updated: 2026-04-02 16:47
VLAI
EPSS
VEX
Title
Keycloak: keycloak: information disclosure via authorization bypass in admin api
Summary
A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:6477 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:6478 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-2366 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2439081 | issue-trackingx_refsource_REDHAT |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.11-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-14 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.11 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
Date Public
2026-02-11 11:11
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CVE-2026-2347 (GCVE-0-2026-2347)
Vulnerability from cvelistv5 – Published: 2026-05-14 09:25 – Updated: 2026-06-08 13:59
VLAI
EPSS
VEX
Title
IDOR in Akıllı Ticaret's E-Commerce Pack
Summary
Authorization bypass through User-Controlled key vulnerability in Akilli Commerce Software Technologies Ltd. Co. E-Commerce Website allows Session Hijacking.
This issue affects E-Commerce Website: before 4.5.001.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Akilli Commerce Software Technologies Ltd. Co. | E-Commerce Website |
Affected:
0 , < 4.5.001
(custom)
|
Date Public
2026-05-14 09:22
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CVE-2026-2346 (GCVE-0-2026-2346)
Vulnerability from cvelistv5 – Published: 2026-08-03 11:49 – Updated: 2026-08-03 13:17
VLAI
EPSS
VEX
Title
IDOR in Menulux Software's Mobile App
Summary
Authorization bypass through User-Controlled key vulnerability in Menulux Software Inc. Mobile App allows Software Integrity Attack.
This issue affects Mobile App: through 12.05.2026.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Menulux Software Inc. | Mobile App |
Affected:
0 , ≤ 12.05.2026
(custom)
|
Date Public
2026-08-03 11:43
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CVE-2026-2257 (GCVE-0-2026-2257)
Vulnerability from cvelistv5 – Published: 2026-03-13 08:25 – Updated: 2026-04-08 16:35
VLAI
EPSS
VEX
Title
GetGenie <= 4.3.2 - Insecure Direct Object Reference to Authenticated (Author+) Stored Cross-Site Scripting via REST API
Summary
The GetGenie plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.2 due to missing validation on a user controlled key in the `action` function. This makes it possible for authenticated attackers, with Author-level access and above, to update post metadata for arbitrary posts. Combined with a lack of input sanitization, this leads to Stored Cross-Site Scripting when a higher-privileged user (such as an Administrator) views the affected post's "Competitor" tab in the GetGenie sidebar.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| roxnor | GetGenie – AI Content Writer with Keyword Research & SEO Tracking Tools |
Affected:
0 , ≤ 4.3.2
(semver)
|
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],
"role": "CISA Coordinator",
"timestamp": "2026-03-13T16:05:12.682144Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-13T16:05:18.814Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "GetGenie \u2013 AI Content Writer with Keyword Research \u0026 SEO Tracking Tools",
"vendor": "roxnor",
"versions": [
{
"lessThanOrEqual": "4.3.2",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Qu\u1ed1c Huy"
}
],
"descriptions": [
{
"lang": "en",
"value": "The GetGenie plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.2 due to missing validation on a user controlled key in the `action` function. This makes it possible for authenticated attackers, with Author-level access and above, to update post metadata for arbitrary posts. Combined with a lack of input sanitization, this leads to Stored Cross-Site Scripting when a higher-privileged user (such as an Administrator) views the affected post\u0027s \"Competitor\" tab in the GetGenie sidebar."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-08T16:35:43.740Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0f7b119d-ec56-40cb-80ef-67585dadad77?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/getgenie/tags/4.3.2/app/Api/Store.php#L74"
},
{
"url": "https://plugins.trac.wordpress.org/browser/getgenie/tags/4.3.2/app/Api/Store.php#L32"
},
{
"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3479838%40getgenie%2Ftrunk\u0026old=3446466%40getgenie%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
}
],
"timeline": [
{
"lang": "en",
"time": "2026-02-09T15:47:42.000Z",
"value": "Vendor Notified"
},
{
"lang": "en",
"time": "2026-03-12T19:30:34.000Z",
"value": "Disclosed"
}
],
"title": "GetGenie \u003c= 4.3.2 - Insecure Direct Object Reference to Authenticated (Author+) Stored Cross-Site Scripting via REST API"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-2257",
"datePublished": "2026-03-13T08:25:16.092Z",
"dateReserved": "2026-02-09T15:32:20.261Z",
"dateUpdated": "2026-04-08T16:35:43.740Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2026-2230 (GCVE-0-2026-2230)
Vulnerability from cvelistv5 – Published: 2026-02-18 16:28 – Updated: 2026-04-08 16:56
VLAI
EPSS
VEX
Title
Booking Calendar <= 10.14.14 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary User Settings Modification
Summary
The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users' plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpdevelop | Booking Calendar |
Affected:
0 , ≤ 10.14.14
(semver)
|
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-2230",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-18T19:21:30.580962Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-18T19:25:03.914Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Booking Calendar",
"vendor": "wpdevelop",
"versions": [
{
"lessThanOrEqual": "10.14.14",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Tarc\u00edsio Luchesi De Almeida Silva"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users\u0027 plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-08T16:56:42.711Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/60f7df44-22f9-4a9e-a20c-4b8628674079?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/booking/trunk/includes/save-user-meta/save-user-meta.php#L90"
},
{
"url": "https://plugins.trac.wordpress.org/changeset/3456856/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-02-08T19:06:56.000Z",
"value": "Vendor Notified"
},
{
"lang": "en",
"time": "2026-02-17T00:00:00.000Z",
"value": "Disclosed"
}
],
"title": "Booking Calendar \u003c= 10.14.14 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary User Settings Modification"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-2230",
"datePublished": "2026-02-18T16:28:14.595Z",
"dateReserved": "2026-02-08T18:51:36.435Z",
"dateUpdated": "2026-04-08T16:56:42.711Z",
"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.