CVE-2026-44392

EUVD-2026-31066
Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://jvn.jp/en/jp/JVN66473735/
https://movabletype.org/news/2026/05/mt-908-released.html
https://www.sixapart.jp/movabletype/news/2026/05/20-1100.html