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.
3237 vulnerabilities reference this CWE, most recent first.
CVE-2026-22234 (GCVE-0-2026-22234)
Vulnerability from cvelistv5 – Published: 2026-01-08 17:12 – Updated: 2026-03-10 20:39
VLAI
EPSS
VEX
Title
OPEXUS eCasePortal unauthenticated IDOR
Summary
OPEXUS eCasePortal before version 9.0.45.0 allows an unauthenticated attacker to navigate to the 'Attachments.aspx' endpoint, iterate through predictable values of 'formid', and download or delete all user-uploaded files, or upload new files.
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
2 references
| URL | Tags |
|---|---|
| https://www.cve.org/CVERecord?id=CVE-2026-22234 | vdb-entry |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | government-resourcethird-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OPEXUS | eCase Portal |
Affected:
0 , < 9.0.45.0
(custom)
Unaffected: 9.0.45.0 |
Date Public
2026-01-08 00:00
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CVE-2026-22104 (GCVE-0-2026-22104)
Vulnerability from cvelistv5 – Published: 2026-07-17 09:30 – Updated: 2026-07-17 10:03
VLAI
EPSS
VEX
Title
Improper access control in Hashtopolis server chunk activity component
Summary
Improper access control in Hashtopolis server web-interface chunk activity component for versions prior to 0.14.8 allows any created account to read all cracked hashes of a Hashtopolis server instance.
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
3 references
| URL | Tags |
|---|---|
| https://csirt.divd.nl/CVE-2026-22104 | third-party-advisory |
| https://csirt.divd.nl/DIVD-2026-00010 | third-party-advisory |
| https://github.com/hashtopolis/server/releases/ta… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hashtopolis | server |
Affected:
0 , < 0.14.8
(semver)
|
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CVE-2026-21447 (GCVE-0-2026-21447)
Vulnerability from cvelistv5 – Published: 2026-01-02 20:15 – Updated: 2026-01-02 21:30
VLAI
EPSS
VEX
Title
Bagisto has IDOR in Customer Order Reorder Functionality
Summary
Bagisto is an open source laravel eCommerce platform. Prior to version 2.3.10, an Insecure Direct Object Reference vulnerability in the customer order reorder function allows any authenticated customer to add items from another customer's order to their own shopping cart by manipulating the order ID parameter. This exposes sensitive purchase information and enables potential fraud. Version 2.3.10 patches the issue.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bagisto/bagisto/security/advis… | x_refsource_CONFIRM |
| https://github.com/bagisto/bagisto/commit/b2b1cf6… | x_refsource_MISC |
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CVE-2026-21409 (GCVE-0-2026-21409)
Vulnerability from cvelistv5 – Published: 2026-01-09 07:15 – Updated: 2026-01-09 18:11
VLAI
EPSS
VEX
Summary
Improper authorization vulnerability exists in RICOH Streamline NX 3.5.1 to 24R3. If a man-in-the-middle attack is conducted on the communication between the affected product and its user, and some crafted request is processed by the product, the user's registration information and/or OIDC (OpenID Connect) tokens may be retrieved.
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
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ricoh Company, Ltd. | RICOH Streamline NX |
Affected:
3.5.1 to 24R3
|
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CVE-2026-20912 (GCVE-0-2026-20912)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-07-15 01:20
VLAI
EPSS
VEX
Title
Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure
Summary
Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36320 | patch |
| https://github.com/go-gitea/gitea/pull/36355 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
| https://access.redhat.com/security/cve/CVE-2026-20912 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2432219 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
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CVE-2026-20904 (GCVE-0-2026-20904)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:53
VLAI
EPSS
VEX
Title
Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes
Summary
Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36346 | patch |
| https://github.com/go-gitea/gitea/pull/36361 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
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|
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CVE-2026-20897 (GCVE-0-2026-20897)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-07-15 01:20
VLAI
EPSS
VEX
Title
Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)
Summary
Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36344 | patch |
| https://github.com/go-gitea/gitea/pull/36349 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
| https://access.redhat.com/security/cve/CVE-2026-20897 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2432204 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
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CVE-2026-20219 (GCVE-0-2026-20219)
Vulnerability from cvelistv5 – Published: 2026-05-06 17:10 – Updated: 2026-05-06 19:09
VLAI
EPSS
VEX
Summary
A vulnerability in the REST API of Cisco Slido could have allowed an authenticated, remote attacker to access the social profile data of other users or affect quiz and poll results. Cisco has addressed this vulnerability in Cisco Slido and no customer action is needed.
This vulnerability existed because of the presence of an insecure direct object reference. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by sending a crafted request to the vulnerable API endpoint. A successful exploit could have allowed the attacker to view the social profiles of other users or affect quiz and poll results.
Severity
5.4 (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
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Webex Meetings |
Affected:
39.10
Affected: 39.11 Affected: 39.6 Affected: 39.7 Affected: 39.7.4 Affected: 39.7.7 Affected: 39.8 Affected: 39.8.2 Affected: 39.8.3 Affected: 39.8.4 Affected: 39.9 Affected: 39.9.1 Affected: 40.1 Affected: 40.2 Affected: 40.4 Affected: 40.4.10 Affected: 40.6 Affected: 40.6.2 Affected: 42.10 Affected: 42.11 Affected: 42.6 Affected: 42.9 Affected: 42.12 Affected: 42.7 Affected: 43.1 Affected: 43.4 Affected: 43.4.2 Affected: 43.5.0 Affected: 43.4.1 |
|
| Cisco | Cisco Slido |
Affected:
N/A
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GCVE-1-2026-20120 (CVE-2026-54360)
Vulnerability from gna-1 – Published: 2026-06-12 19:51 – Updated: 2026-06-12 19:51
VLAI
EPSS
VEX
Title
MISP sharing group creation mass assignment allows unauthorized takeover of existing sharing groups
Summary
A mass assignment vulnerability exists in MISP’s sharing group creation endpoint. When creating a new sharing group, the controller did not remove a user-supplied id field before saving the submitted data. In CakePHP, supplying a primary key in the save data can cause a create() followed by save() operation to update an existing record instead of creating a new one.
An authenticated user with permission to add sharing groups could therefore submit the identifier of an existing sharing group and modify that sharing group without passing the normal edit access-control checks. This may allow the attacker to take over or alter sharing groups they do not otherwise have access to, potentially affecting the confidentiality and integrity of information shared through those groups.
Affected component:
app/Controller/SharingGroupsController.php, add() action
Severity
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/687e7cb530ae0… | patch |
Credits
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GCVE-1-2026-20099 (CVE-2026-56424)
Vulnerability from gna-1 – Published: 2026-06-22 12:13 – Updated: 2026-06-22 12:17
VLAI
EPSS
VEX
Title
Broken access control in MISP core allows cross-organization unauthorized modification or deletion of analyst data, event reports, collections, templates, and decaying models
Summary
MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could cause the application to authorize one object but mutate another, or could modify objects that were merely visible rather than editable by the user’s organization.
The affected paths included:
* Event Reports tag removal: the route-authorized report could differ from the report ID used for tag detachment, enabling cross-organization tag removal from another event report
* Collection Elements bulk deletion: bulk deletion authorized against a collection whose ID matched the collection-element row ID, rather than the element’s actual parent collection, enabling deletion of elements from collections the user did not own.
* Analyst Data capture/update: nested analyst data updates could overwrite an existing record without applying the normal canEditAnalystData ownership check, enabling cross-organization overwrite of analyst data records.
* Template Elements editing: editing authorized against a template whose ID matched the template-element ID, rather than the element’s actual parent template, enabling unauthorized edits to another organization’s template elements.
* Decaying Model editing and mappings: write paths loaded models using view-scope access but did not verify edit ownership, enabling users to edit or remap visible models owned by another organization.
Successful exploitation could allow an authenticated user with subsystem-specific permissions to perform unauthorized cross-organization modifications or deletions of MISP data, resulting in integrity loss, unauthorized tampering with shared intelligence, and disruption of analyst workflows.
Severity
CWE
Assigner
References
5 references
Credits
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}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:L/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "00000000-0000-4000-9000-000000000000"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://github.com/MISP/MISP/commit/24d7e91339a3ef043652dd5799c36e5065b2bb4a"
},
{
"tags": [
"patch"
],
"url": "https://github.com/MISP/MISP/commit/57ad774d21bd1863d060a9e6e73ae54eb96784ce"
},
{
"tags": [
"patch"
],
"url": "https://github.com/MISP/MISP/commit/3aecc04d5816189412b589cf590c6dbe9a8db5c0"
},
{
"tags": [
"patch"
],
"url": "https://github.com/MISP/MISP/commit/ba2f51fe7440ba2c6043ccde858cac1e25f96931"
},
{
"tags": [
"patch"
],
"url": "https://github.com/MISP/MISP/commit/744005cefdc3b943bd29669c3b34cc66a5fc2154"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Broken access control in MISP core allows cross-organization unauthorized modification or deletion of analyst data, event reports, collections, templates, and decaying models",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "00000000-0000-4000-9000-000000000000",
"cveId": "CVE-2026-56424",
"datePublished": "2026-06-22T12:13:00.000Z",
"dateReserved": "2026-06-22T12:17:10.186Z",
"dateUpdated": "2026-06-22T12:17:10.271177Z",
"requesterUserId": "00000000-0000-4000-9000-000000000000",
"serial": 1,
"state": "PUBLISHED",
"vulnId": "gcve-1-2026-20099"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.