VULNERABILITY INTELLIGENCE

CVE-2026-58155

CVSS score9.3 CRITICAL

EPSS probability0.54%

CISA KEVNot currently listed

Published2026-07-29

Last modified2026-10-01

Description

Apache Traffic Server truncates over-long header names, allowing header aliasing, request smuggling, and policy bypass. 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.