CVE-2026-96408

critical

Description

A code injection vulnerability exists in the upgrade script of Movable Type, which may allow an unauthenticated attacker to execute an arbitrary Perl script or an SQL query on the affected product.

References

https://www.sixapart.jp/movabletype/news/2026/10/07-1100.html

https://movabletype.org/news/2026/10/mt-930-released.html

https://jvn.jp/en/jp/JVN91153973/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94281

Details

Source: Mitre, NVD

Published: 2026-10-07

Updated: 2026-10-07

Risk Information

CVSS v2

Base Score: 9.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:P

Severity: High

CVSS v3

Base Score: 9.4

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00643