CVE-2023-26218: TIBCO Nimbus

Critical severity, CVSS 9.0. EPSS: 0.6% chance of exploitation in the next 30 days.

The Web Client component of TIBCO Software Inc.'s TIBCO Nimbus contains easily exploitable Reflected Cross Site Scripting (XSS) vulnerabilities that allow a low privileged attacker to social engineer a legitimate user with network access to execute scripts targeting the affected system or the victim's local system. A successful attack using this vulnerability requires human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO Nimbus: versions 10.6.0 and below.

Affected products

• TIBCO Nimbus: before 10.6.1 (fixed in 10.6.1)

Published 2023-09-29. Last modified 2026-06-17.