CVE-2026-45392: Cribl Stream

High severity, CVSS 8.7. EPSS: 0.5% chance of exploitation in the next 30 days.

DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.

Affected products

• Cribl Cribl Stream: before 4.17.1 (fixed in 4.17.1)

Published 2026-05-12. Last modified 2026-06-17.