CVE-2026-8856
High
Description
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Ibm Http Server
PublishedMay 26, 2026
First seenMay 26, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- ibm http_server8.5.5.30, 9.0.5.29 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm http_server | 8.5.0.0 ≤ v < 8.5.5.30, 9.0.0.0 ≤ v < 9.0.5.29 | 8.5.5.30, 9.0.5.29 |
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