CVE-2026-8856

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.

CVSS v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7274065	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:ibm:http_server::::::::
	cpe:2.3:a:ibm:http_server::::::::

OR	cpe:2.3:o:ibm:aix:-:::::::*
	cpe:2.3:o:ibm:z\/os:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

26 May 2026, 20:22

Type	Values Removed	Values Added
CPE		cpe:2.3:o:ibm:aix:-:::::::* cpe:2.3:a:ibm:http_server:::::::: cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:o:ibm:z\/os:-:::::::* cpe:2.3:o:linux:linux_kernel:-:::::::*
First Time		Ibm z\/os Linux linux Kernel Microsoft windows Ibm aix Ibm http Server Ibm Linux Microsoft
References	~~() https://www.ibm.com/support/pages/node/7274065 -~~	() https://www.ibm.com/support/pages/node/7274065 - Vendor Advisory

26 May 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-26 18:16

Updated : 2026-05-26 20:22

NVD link : CVE-2026-8856

Mitre link : CVE-2026-8856

CVE.ORG link : CVE-2026-8856

JSON object : View

Products Affected

microsoft

windows

ibm

aix
z\/os
http_server

linux

linux_kernel

CWE

CWE-400

Uncontrolled Resource Consumption

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