Improper input validation in IBM Common Licensing
CVE-2026-19543
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 performs input validation exclusively on the client side and fails to enforce the same restrictions on the server side. An attacker can modify requests to bypass validation controls and submit unauthorized values, potentially resulting in unintended application behavior.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ibm Common Licensing — versions ART 9.0, ART 9.0.0.1, ART 9.0.0.2
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-19543?
- CVE-2026-19543 is a medium-severity vulnerability in IBM Common Licensing, classified under Improper Input Validation. CVSS score: 6.2/10. Published 2026-09-14.
- How severe is CVE-2026-19543?
- Medium severity. CVSS v3 base score is 6.2 out of 10.