CVE-2026-58183

Medium

Description

The Apache Traffic Server prefetch plugin can crash when processing attacker-influenced input. 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.

SeverityMedium

CVSS5.9

Exploit probability—

Product

Apache Traffic Server

PublishedJul 29, 2026

First seenJul 29, 2026

Weakness typeCWE-20Improper input validation

How to fix

Update

apache traffic_server9.2.15, 10.1.4 or later

Vendor advisories

lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d

Affected products

Product	Affected versions	Fixed in
apache traffic_server	8.0.0 ≤ v ≤ 8.1.9, 9.0.0 ≤ v < 9.2.15, 10.0.0 ≤ v < 10.1.4	9.2.15, 10.1.4

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.