CVE-2026-44392
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Missing authorization in Movable Type allows users without administrator privileges to execute unintended update processing under certain conditions.
Vulnerability
Missing authorization vulnerability exists in Movable Type when the system has pending updates. A user without administrator privileges can, under certain conditions, proceed with upgrade processing. This affects Movable Type versions prior to the fixes released in 9.0.8, 8.8.4, 8.0.11, and 9.2.0 (internal) [1].
Exploitation
An attacker must have a valid user account without administrator privileges. When Movable Type or its plugins have available updates, the attacker can navigate to the upgrade process and execute it, bypassing authorization checks. No additional user interaction is required beyond signing in [1].
Impact
Unintended update processing is executed, allowing an unauthorized user to perform upgrade tasks. This could lead to the installation of malicious updates or modifications to the system, potentially affecting integrity and availability [1].
Mitigation
Update to Movable Type 9.0.8, 8.8.4, 8.0.11, or later. For enhanced control, the environment variable RequireUpgradePermission can be configured to restrict upgrade permissions further [1]. For end-of-support versions, upgrading to a supported release is recommended.
AI Insight generated on May 21, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3News mentions
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