PT-2026-65755 · Apache · Apache Traffic Server

Apache Community · CVE-2026-58178 · Published 2026-07-29 · Updated 2026-07-29

NVD

CVSS v3.1

7.5

High

Base vector

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

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.

Fix

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2026-58178

Affected Products

Apache Traffic Server

References · 2

• https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-58178 · Security Note