CVE-2026-33088 Six Apart Ltd. CVE debrief

Who should care

Users of Movable Type versions 8.0.2 to 8.0.10, 8.8.0 to 8.8.3, 9.0.1 to 9.0.7, and 9.1.0 should review and apply patches to prevent potential SQL injection attacks. Security teams and vulnerability management teams should prioritize patching this vulnerability due to its medium severity level.

Technical summary

CVE-2026-33088 is an SQL Injection vulnerability in Movable Type, a content management system provided by Six Apart Ltd. The vulnerability allows an attacker to execute an arbitrary SQL statement, potentially leading to data breaches or system compromise. The CVSS score for this vulnerability is 6.9, indicating a medium severity level. Affected product deployments should be reviewed and patched to prevent SQL injection attacks.

Defensive priority

Medium priority should be given to patching this vulnerability, as it could allow attackers to execute arbitrary SQL statements.

Recommended defensive actions

• Apply patches or updates provided by Six Apart Ltd. for Movable Type to prevent SQL injection attacks.
• Review and update Movable Type installations to ensure versions 8.0.2 to 8.0.10, 8.8.0 to 8.8.3, 9.0.1 to 9.0.7, and 9.1.0 are patched.
• Implement additional monitoring and security measures to detect and prevent potential SQL injection attacks.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD details indicate an SQL Injection vulnerability in Movable Type. However, limited information is available on the specific attack vectors or potential impact. Further review of the official CVE record and NVD details is recommended to understand the vulnerability. The vulnerability allows an attacker to execute an arbitrary SQL statement, potentially leading to data breaches or system compromise.

Official resources