CVE-2026-58178 HIGH

CVE-2026-58178: Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery

Vendor Apache Software Foundation
Product Apache Traffic Server
Weakness CWE-674
Published July 29, 2026
Last update July 29, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, 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.

Key dates

02Disclosure timeline

July 29, 2026 CVE published
July 29, 2026 Record updated