High severity · published Oct 7, 2026
CVE-2026-103668
An SQL Injection vulnerability exists in the Site Search function of Movable Type, which may allow an unauthenticated attacker to execute an arbitrary SQL query on the affected…
8.6
CVSS
0.3%
EPSS
No
On KEV
Description
An SQL Injection vulnerability exists in the Site Search function of Movable Type, which may allow an unauthenticated attacker to execute an arbitrary SQL query on the affected product.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Movable Type · Six Apart Ltd.
9.0.0 through 9.0.9; 8.8.0 through 8.8.5; 8.0.0 through 8.0.12 · source: vendor
MT
Movable Type Cloud Edition · Six Apart Ltd.
9.2.0 through 9.2.1 · source: vendor
MT
Movable Type Premium · Six Apart Ltd.
9.0.0 through 9.0.9; 2.0 through 2.17 · source: vendor
MT
Movable Type Premium Cloud Edition · Six Apart Ltd.
9.2.0 through 9.2.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103668
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103668
movabletype.org
https://movabletype.org/news/2026/10/mt-930-released.html
www.sixapart.jp
https://www.sixapart.jp/movabletype/news/2026/10/07-1100.html
jvn.jp
https://jvn.jp/en/jp/JVN91153973/
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