CVE-2026-87031
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-87031 Missing authorization in the REST API user creation endpoint in Concrete CMS 9.2.0 through 9.5.3 allows arbitrary account creation | 16 Sep 202616:40 | – | cvelist |
 | EUVD-2026-80882 | 16 Sep 202616:40 | – | euvd |
 | CVE-2026-87031 | 16 Sep 202617:18 | – | nvd |
 | PT-2026-93854 | 16 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-87031: Missing Authorization | 16 Sep 202600:00 | – | rapid7 |
 | CVE-2026-87031 Missing authorization in the REST API user creation endpoint in Concrete CMS 9.2.0 through 9.5.3 allows arbitrary account creation | 16 Sep 202616:40 | – | vulnrichment |
Node
[
{
"vendor": "Concrete CMS",
"product": "Concrete CMS",
"collectionURL": "https://github.com/concretecms/concretecms",
"repo": "https://github.com/concretecms/concretecms",
"versions": [
{
"status": "affected",
"version": "9.2.0",
"lessThanOrEqual": "9.5.3",
"versionType": "git"
}
],
"defaultStatus": "unaffected"
}
]| Source | Link |
|---|---|
| documentation | www.documentation.concretecms.org/developers/introduction/version-history/954-release-notes |
| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| username | request body | /ccm/api/1.0/users | Missing permission check in Concrete CMS REST API user creation endpoint allows account creation with OAuth tokens carrying users:add scope, bypassing email verification and admin approval. | CWE-862 |
| password | request body | /ccm/api/1.0/users | Missing permission check in Concrete CMS REST API user creation endpoint allows account creation with OAuth tokens carrying users:add scope, bypassing email verification and admin approval. | CWE-862 |
| request body | /ccm/api/1.0/users | Missing permission check in Concrete CMS REST API user creation endpoint allows account creation with OAuth tokens carrying users:add scope, bypassing email verification and admin approval. | CWE-862 |
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21 Sep 2026 17:51Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.12.7
CVSS 42.1
EPSS0.00336
SSVC