CVE-2026-8834: CWE-122 Heap-based Buffer Overflow in IBM HTTP Server
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.
AI Analysis
Technical Summary
CVE-2026-8834 is a heap-based buffer overflow vulnerability in IBM HTTP Server versions 8.5.0 and 9.0. It can be exploited by a privileged user authenticated to the Administration Server to execute arbitrary code remotely or cause a denial of service. The vulnerability is classified under CWE-122 and has a CVSS 3.1 base score of 8.0, indicating high impact on confidentiality, integrity, and availability. No patch or official remediation level has been disclosed as of the published date.
Potential Impact
An attacker with privileged access and authentication to the Administration Server could exploit this vulnerability to execute arbitrary code remotely or cause a denial of service, potentially compromising the server's confidentiality, integrity, and availability. There are currently no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict privileged user access to the Administration Server to trusted personnel only and monitor for suspicious activity related to administration functions.
CVE-2026-8834: CWE-122 Heap-based Buffer Overflow in IBM HTTP Server
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.
CVSS v3.1
Score 8.0high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8834 is a heap-based buffer overflow vulnerability in IBM HTTP Server versions 8.5.0 and 9.0. It can be exploited by a privileged user authenticated to the Administration Server to execute arbitrary code remotely or cause a denial of service. The vulnerability is classified under CWE-122 and has a CVSS 3.1 base score of 8.0, indicating high impact on confidentiality, integrity, and availability. No patch or official remediation level has been disclosed as of the published date.
Potential Impact
An attacker with privileged access and authentication to the Administration Server could exploit this vulnerability to execute arbitrary code remotely or cause a denial of service, potentially compromising the server's confidentiality, integrity, and availability. There are currently no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict privileged user access to the Administration Server to trusted personnel only and monitor for suspicious activity related to administration functions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-05-18T14:08:39.363Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a15e03d891d628fdc67d997
Added to database: 05/26/2026, 18:02:37 UTC
Last enriched: 06/02/2026, 21:07:26 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 58
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