CVE-2026-96408A 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.
Updated under an hour ago ()
Does this affect you?
It affects Six Apart Ltd. Movable Type Cloud Edition and 3 other products. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.64%, higher than 50% of scored CVEs.
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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.
- CVSS
- 9.3 CRITICAL (v4.0, CNA)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
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.64% (percentile 50)
- Assigned by
- jpcert
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Six Apart Ltd. Movable Type Cloud Edition six_apart:movable_type_cloud_edition (from the name) | from 9.2.0 through 9.2.1 | CNA record |
Six Apart Ltd. Movable Type six_apart:movable_type (from the name) | from 9.0.0 through 9.0.9; from 8.8.0 through 8.8.5; from 8.0.0 through 8.0.12 | CNA record |
Six Apart Ltd. Movable Type Premium Cloud Edition six_apart:movable_type_premium_cloud_edition (from the name) | from 9.2.0 through 9.2.1 | CNA record |
Six Apart Ltd. Movable Type Premium six_apart:movable_type_premium (from the name) | from 9.0.0 through 9.0.9; from 2.0 through 2.17 | CNA record |
References
- https://movabletype.org/news/2026/10/mt-930-released.html
- https://www.sixapart.jp/movabletype/news/2026/10/07-1100.html
- https://jvn.jp/en/jp/JVN91153973/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.