CVE-2026-8855
IBM HTTP Server is affected by multiple vulnerabilities
CVSS Score
8.1
EPSS Score
0.2%
EPSS Percentile
47th
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).
| CWE | CWE-94 |
| Vendor | ibm |
| Product | http server |
| Published | May 26, 2026 |
| Last Updated | May 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / HTTP Server
8.5.0 ≤ Interim Fix 002 9.0