IBM WebSphere App Server 8.5/9.0 PLUGIN DoS/CodeExec via Improper Validation
CVE-2026-9170 Published on May 26, 2026
IBM HTTP Server is affected by multiple vulnerabilities
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service and a potential remote code execution due to improper input validation.
Vulnerability Analysis
CVE-2026-9170 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-9170 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-9170
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Affected Versions
IBM HTTP Server:- Version 8.5 is affected.
- Version 9.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.