CVE-2026-24447 – Six Apart Movable Type Remote Code Execution Vulnerability

CVE ID : CVE-2026-24447

Published : Feb. 4, 2026, 7:04 a.m. | 14 minutes ago

Description : If a malformed data is input to the affected product, a CSV file downloaded from the affected product may contain such malformed data. When a victim user download and open such a CSV file, the embedded code may be executed in the user’s environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.

Severity: 6.5 | MEDIUM

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