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CVE-2026-8135

1 advisory.

Packagist/concrete5/concrete5 CVE-2026-8135: high

Concrete CMS Vulnerable to Deserialization of Untrusted Data

Action: Upgrade concrete5/concrete5 to 9.5.1 or later.

composer require concrete5/concrete5:9.5.1

Affected

introducedfixedlast affected
09.5.1-

Fixed versions

9.5.1

Sources

CVE-2026-8135 · published · modified · JSON