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CVE-2026-8834— IBM HTTP Server is affected by multiple vulnerabilities

CVSS 8.0 · High

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProductVersion RangeStatus
IBMHTTP Server8.5.0≤ Interim Fix 002affected
9.0affected
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I. Basic Information for CVE-2026-8834

Vulnerability Information
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Vulnerability Title
IBM HTTP Server is affected by multiple vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to execute remote code or cause a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
IBMHTTP Server 8.5.0 ~ Interim Fix 002 cpe:2.3:a:ibm:http_server:8.5:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8834

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III. Intelligence Information for CVE-2026-8834

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Vendor Advisories for CVE-2026-8834 (1)

Same Patch Batch · IBM · 2026-05-26 · 20 CVEs total

CVE-2026-36609.8 CRITICALIBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to Authentication Byp
CVE-2026-86339.8 CRITICALIBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-88558.1 HIGHIBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-88567.7 HIGHIBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-91707.5 HIGHIBM WebSphere Application Server and WebSphere Application Server Liberty are affected DOS
CVE-2026-86207.5 HIGHIBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-88547.5 HIGHIBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-88507.5 HIGHIBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-88357.3 HIGHIBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-40517.2 HIGHIBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to Server Post-Auth R
CVE-2026-36037.1 HIGHIBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to XML external entit
CVE-2025-361266.4 MEDIUMIBM Cognos Analytics is affected by multiple security vulnerabilities
CVE-2026-88526.2 MEDIUMIBM HTTP Server is affected by multiple vulnerabilities
CVE-2025-137555.5 MEDIUMIBM® Db2® is vulnerable to credential exposure in db2diag when executing specific testcase
CVE-2025-361485.4 MEDIUMIBM Financial Transaction Manager for SWIFT Services for Multiplatforms is vulnerable to c
CVE-2025-361455.4 MEDIUMMultiple Vulnerabilities in watsonx.data
CVE-2025-142905.4 MEDIUMIBM webMethods Integration Sever is vulnerable to server-side request forgery
CVE-2025-362215.3 MEDIUMVulnerabilities exists in IBM Cloud Pak for Data System (CPDS 1.0) - Cyclops.
CVE-2025-362204.3 MEDIUMVulnerabilities exists in IBM Cloud Pak for Data System (CPDS 1.0) - Cyclops.

IV. Related Vulnerabilities

Same product: HTTP Server
Same vendor: IBM
Same weakness: CWE-122

V. Comments for CVE-2026-8834

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