CVE-2026-44392

State: Published
Severity: 5.3 Medium
Published: May 20, 2026
Updated: May 20, 2026
Reserved: May 18, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
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	jpcert
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	jpcert

Weaknesses

CWE-862 Missing authorization

Affected Products

Product	Versions
Movable TypeSix Apart Ltd.	9.1.1 and earlierAffected
Movable TypeSix Apart Ltd.	9.0.7 and earlierAffected
Movable TypeSix Apart Ltd.	8.8.3 and earlierAffected
Movable TypeSix Apart Ltd.	8.0.10 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	9.1.1 and earlieAffected
Movable Type AdvancedSix Apart Ltd.	9.0.7 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	8.8.3 and earlierAffected
Movable Type AdvancedSix Apart Ltd.	8.0.10 and earlierAffected
Movable Type PremiumSix Apart Ltd.	9.1.1 and earlierAffected
Movable Type PremiumSix Apart Ltd.	9.0.7 and earlierAffected
Movable Type PremiumSix Apart Ltd.	2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier)Affected
Movable Type Premium (Advanced Edition)Six Apart Ltd.	9.1.1 and earlierAffected
Movable Type Premium (Advanced Edition)Six Apart Ltd.	9.0.7 and earlierAffected
Movable Type Premium (Advanced Edition)Six Apart Ltd.	2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier)Affected

References

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