CVE-2021-26293: Afterlogic Aurora

Critical severity, CVSS 9.8. EPSS: 7.1% chance of exploitation in the next 30 days.

An issue was discovered in AfterLogic Aurora through 8.5.3 and WebMail Pro through 8.5.3, when DAV is enabled. They allow directory traversal to create new files (such as an executable file under the web root). This is related to DAVServer.php in 8.x and DAV/Server.php in 7.x.

Affected products

• Afterlogic Aurora: up to and including 8.5.3
• Afterlogic Webmail Pro: up to and including 8.5.3

Published 2021-03-04. Last modified 2026-06-17.