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CVE-2026-18110Suited to automated attack · CISA

Concrete CMS 9.0.0 through 9.5.2 is vulnerable to missing authorization in the user selector autocomplete endpoint (/ccm/system/user/autocomplete), allowing an unauthenticated attacker to retrieve the complete backend user directory — internal ID, username

CVSS score

8.7

EPSS probability

%0.3

Risk score

0.0

Published

1 mo ago

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