CVE-2026-59173

High

Description

Uncontrolled Resource Consumption vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 through 10.1.2. Users are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Apache Traffic Server

PublishedJul 18, 2026

First seenJul 18, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Update

apache traffic_server9.2.14, 10.1.3 or later

Vendor advisories

lists.apache.org/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhd

Affected products

Product	Affected versions	Fixed in
apache traffic_server	9.0.0 ≤ v < 9.2.14, 10.0.0 ≤ v < 10.1.3	9.2.14, 10.1.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.