CVE-2018-8040: Apache Traffic Server

Medium severity, CVSS 5.3. EPSS: 7.2% chance of exploitation in the next 30 days.

Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

Affected products

• Apache Traffic Server: from 6.0.0, up to and including 6.2.2; from 7.0.0, up to and including 7.1.3
• Debian Debian Linux: version 9.0 only

Published 2018-08-29. Last modified 2026-06-17.