Vulnerability · Published Oct 7, 2026 · Assigned by jpcert
CVE-2026-96408
Critical 9.4
In plain English
A critical-severity code injection in Movable Type from Six Apart Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.0)9.4Critical
Exploit odds (30 days)0.4%top 63.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Six Apart Ltd. | Movable Type Cloud Edition | 9.2.0 – through 9.2.1 |
| Six Apart Ltd. | Movable Type | 9.0.0 – through 9.0.98.8.0 – through 8.8.58.0.0 – through 8.0.12 |
| Six Apart Ltd. | Movable Type Premium Cloud Edition | 9.2.0 – through 9.2.1 |
| Six Apart Ltd. | Movable Type Premium | 9.0.0 – through 9.0.92.0 – through 2.17 |
Weakness: CWE-94 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L