What’s Vulnerable › Vulnerabilities

CVE-2026-45392: DOM-based XSS in Cribl Stream

• Severity: high (CVSS 8.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-12 · updated 2026-10-26
• Weakness: CWE-79

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.

Affected products

• Cribl Stream: before 4.17.1 — fixed in 4.17.1

How to fix

Upgrade to a fixed version: Cribl Stream 4.17.1. Check the vendor advisory for mitigations.

References

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

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