CVE-2026-19646
Critical
Description
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Ibm Common Licensing
PublishedSep 10, 2026
First seenSep 10, 2026
Weakness typeCWE-1149CWE-1149
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm common_licensing | Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, ART 9.0.0.2 | — |
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