CVE-2026-8855 HIGH

CVE-2026-8855: IBM HTTP Server is affected by multiple vulnerabilities

Vendor Ibm
Product HTTP Server
Weakness CWE-94 · Code injection
Published May 26, 2026
Last update May 28, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

IBM HTTP Server 8.5, and 9.0 is vulnerable to remote code execution and denial of service in configurations with TLS mutual authentication (client authentication).

Key dates

02Disclosure timeline

May 26, 2026 CVE published
May 28, 2026 Record updated