CVE-2026-81909
Concrete CMS 9 through 9.5.2 is vulnerable to Missing Authorization in the orphaned-block alias route, allowing an authenticated editor to disclose and force-delete arbitrary blocks
CVSS score
5.9
EPSS probability
%0.4
Risk score
0.0
Published
1 mo ago
Vulnerability Timeline (Change History)
CVE-2026-81909 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 11.09.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N |
| 11.09.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 11.09.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-81909 |
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CVE-2026-85385Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field
Patch status unknownEPSS %1
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