IBM Common Licensing Agent 9.0 Host Header Validation Allows Remote Redirection
CVE-2026-19646 Published on September 10, 2026

Multiple vulnerabilities affect IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent
IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-19646 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 have a high impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

What is a SEC Vulnerability?

Weaknesses in this category are related to the rules and recommendations in the Platform Security (SEC) section of the SEI CERT Oracle Secure Coding Standard for Java.

CVE-2026-19646 has been classified to as a SEC vulnerability or weakness.


Products Associated with CVE-2026-19646

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Affected Versions

IBM Common Licensing: