CVE-2026-8855

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).

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - psirt@us.ibm.com

Published

2026-05-26

Last modified

2026-05-28

Weaknesses

CWE-94

Affected products

• Http Server (Ibm)

References

• https://www.ibm.com/support/pages/node/7274065