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CVE-2026-8205 Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in Calendar Block since action_get_events does not check canView on the calendar
| Reporter | Title | Published | Views | Family All 8 |
|---|---|---|---|---|
 | CVE-2026-8205 | 21 May 202620:57 | – | attackerkb |
 | Concrete CMS 安全漏洞 | 21 May 202600:00 | – | cnnvd |
 | CVE-2026-8205 | 21 May 202620:57 | – | cve |
 | EUVD-2026-31351 | 21 May 202620:57 | – | euvd |
 | CVE-2026-8205 | 21 May 202621:16 | – | nvd |
 | PT-2026-42545 | 21 May 202600:00 | – | ptsecurity |
 | CVE-2026-8205 | 5 Jun 202619:24 | – | redhatcve |
 | CVE-2026-8205 Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in Calendar Block since action_get_events does not check canView on the calendar | 21 May 202620:57 | – | vulnrichment |
[
{
"vendor": "Concrete CMS",
"product": "Concrete CMS",
"collectionURL": "https://github.com/concretecms/concretecms",
"repo": "https://github.com/concretecms/concretecms",
"versions": [
{
"status": "affected",
"version": "5.0",
"lessThanOrEqual": "9.5.0",
"versionType": "git"
}
],
"defaultStatus": "unaffected"
}
]Data
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21 May 2026 20:57Current
CVSS 46.3
EPSS0.00031