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9.1

IBM Common Licensing Agent may redirect users to fake sites

CVE-2026-19646 · published 1 month ago
Summary

The IBM Common Licensing Agent versions 9.0 through 9.0.0.2 can be tricked into sending users to a web address chosen by an attacker because it does not correctly check the requested host name. This could lead users to phishing pages or malicious content. Apply the latest security update from IBM or restrict access to the agent to trusted networks.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm common licensing Agent 9.0
Original advisory text
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...
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.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.1 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-1149SEI CERT Oracle Secure Coding Standard for Java - Guidelines 15. Platform Security (SEC)
Timeline
Published10 Sep 2026
Updated11 Oct 2026
First seen10 Sep 2026
Sources
CVE-2026-19646 · NVD
CVE-2026-19646 · MITRE
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