CVE-2026-44392 Missing authorization in Movable Type
Non-admin users can execute unintended update processing in Movable Type due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44392?
CVE-2026-44392 is a medium-severity missing authorization vulnerability in Six Apart Ltd. Movable Type, published on 20 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-44392?
How do I fix CVE-2026-44392?
No fix has been published for CVE-2026-44392 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-44392 being exploited?
There is no known exploitation of CVE-2026-44392 in the wild and no public exploit code.
Sources
Also known as GHSA-98gq-cq48-6gcm.