CVE-2026-58177: Apache Traffic Server

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 10.1.4, which fix the issue.

Affected products

• Apache Traffic Server: from 10.0.0, before 10.1.4 (fixed in 10.1.4)

Published 2026-07-29. Last modified 2026-07-31.