# CVE-2026-19543

## Summary

- **CVE ID:** CVE-2026-19543
- **Severity:** MEDIUM
- **CVSS Score:** 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-20
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## 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 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.

## Affected Products

- IBM — Common Licensing (Agent 9.0)
- IBM — Common Licensing (Agent 9.0.0.1)
- IBM — Common Licensing (Agent 9.0.0.2)
- IBM — Common Licensing (ART 9.0)
- IBM — Common Licensing (ART 9.0.0.1)
- IBM — Common Licensing (ART 9.0.0.2)

## References

- [CNA](https://www.ibm.com/support/pages/node/7286490)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._