CVE-2026-96408 Code injection in Movable Type
Unauthenticated attackers can execute arbitrary Perl scripts or SQL queries via the upgrade script in Movable Type.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96408?
CVE-2026-96408 is a critical code injection vulnerability in Six Apart Ltd. Movable Type, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A code injection vulnerability exists in the upgrade script of Movable Type, which may allow an unauthenticated attacker to execute an arbitrary Perl script or an SQL query on the affected product.
Weakness: CWE-94
Which versions are affected by CVE-2026-96408?
How do I fix CVE-2026-96408?
No fix has been published for CVE-2026-96408 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-96408 being exploited?
There is no known exploitation of CVE-2026-96408 in the wild and no public exploit code.
Sources
Also known as GHSA-9xxq-384j-m3qw.