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CVE-2026-25776 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: April 8, 2026

Six Apart Ltd. Movable Type - Command Injection

Published: April 8, 2026Updated: April 8, 2026Remote Exploitable

Overview

Six Apart Ltd. Movable Type contains a code injection vulnerability caused by improper input handling, letting attackers execute arbitrary Perl scripts remotely, exploit requires crafted input.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Attackers can execute arbitrary Perl scripts, potentially leading to full system compromise.

Mitigation

Update to the latest version of Movable Type.

References

https://movabletype.org/news/2026/04/mt-907-released.html
https://www.sixapart.jp/movabletype/news/2026/04/08-1100.html
https://jvn.jp/en/jp/JVN66473735/

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Details

CVE ID: CVE-2026-25776
Severity: Critical
CVSS Score: 9.8
Type: command_injection
Status: new

CWE

CWE-94

CVSS Metrics

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H