ByteOS Network

NVD Vulnerability Details :

CVE-2026-44392

Received

Source-vultures@jpcert.or.jp

Published At-20 May, 2026 | 07:16

Updated At-20 May, 2026 | 07:16

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary	3.0	4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Type: Secondary

Version: 4.0

Base score: 5.3

Base severity: MEDIUM

Vector:

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 3.0

Base score: 4.3

Base severity: MEDIUM

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-862	Primary	vultures@jpcert.or.jp

CWE ID: CWE-862

Type: Primary

Source: vultures@jpcert.or.jp

References

Hyperlink	Source	Resource
https://jvn.jp/en/jp/JVN66473735/	vultures@jpcert.or.jp	N/A
https://movabletype.org/news/2026/05/mt-908-released.html	vultures@jpcert.or.jp	N/A
https://www.sixapart.jp/movabletype/news/2026/05/20-1100.html	vultures@jpcert.or.jp	N/A