CVE-2026-44392

5.3 mediumEPSS 0.2%

Medium (5.3). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

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

CVSS 3.0

4.3 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-05-20
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

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

Check your stack JSON