CVE-2026-58162 CRITICAL

CVE-2026-58162: Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates

Vendor Apache Software Foundation
Product Apache Traffic Server
Weakness CWE-295
Published July 29, 2026
Last update July 29, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI. 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