PT-2026-43369 · Ibm · Ibm Http Server

Published 2026-05-26 · Updated 2026-05-28 · CVE-2026-8856

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions IBM HTTP Server version 8.5 IBM HTTP Server version 9.0

Description An issue exists that allows a denial of service in configurations where an attacker possesses write access to portions of the server configuration.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2026-07484

CVE-2026-8856

Affected Products

Ibm Http Server

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-8856 · Security Note
• https://bdu.fstec.ru/vul/2026-07484 · Security Note
• https://twitter.com/DFIR_Lab/status/2059806155203838304 · Twitter Post
• https://ibm.com/support/pages/node/7274065 · Patch, Vendor Advisory
• https://twitter.com/CVEnew/status/2059337202350309822 · Twitter Post
• https://twitter.com/infoflowcloud/status/2059337780187091015 · Twitter Post
• https://t.me/CVEtracker/55004 · Telegram Post