CVE-2026-58162: Apache Traffic Server

Critical severity, CVSS 10.0. EPSS: 0.4% chance of exploitation in the next 30 days.

The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Affected products

• Apache Traffic Server: from 8.0.0, up to and including 8.1.9; from 9.0.0, before 9.2.15 (fixed in 9.2.15); from 10.0.0, before 10.1.4 (fixed in 10.1.4)

Published 2026-07-29. Last modified 2026-10-01.