Description IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_fastcgi module. Remediation References CVE-2026-8852 Related Vulnerabilities Apache HTTP Server Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') Vulnerability (CVE-2023-25690) PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2016-10160) WordPress 5.3.x Multiple Vulnerabilities (5.3 - 5.3.6) WordPress 5.6.x Prototype Pollution (5.6 - 5.6.7) WordPress Plugin Essential Blocks-Page Builder Gutenberg Blocks, Patterns & Templates Cross-Site Request Forgery (3.8.5) Severity High Classification CVE-2026-8852 CWE-617 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Tags Missing Update Known Vulnerabilities