CVE-2026-45392

High

Description

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.

SeverityHigh

CVSS8.7

Exploit probability—

ProductCribl Stream

PublishedMay 12, 2026

First seenMay 12, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

Cribl Cribl Stream4.17.1 or later

Vendor advisories

docs.cribl.io/stream/release-notes/release-v4171#security-fixes
trust.cribl.io/notifications

Affected products

Product	Affected versions	Fixed in
Cribl Cribl Stream	v < 4.17.1	4.17.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.