CVE-2026-45392

HIGH 8.7

DOM-based XSS in Cribl Stream

CVSS Score

8.7

EPSS Score

0.1%

EPSS Percentile

23th

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.

CWE	CWE-79
Vendor	cribl
Product	cribl stream
Published	May 12, 2026
Last Updated	Jun 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Cribl / Cribl Stream

0 < 4.17.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Frank Lycops, NATO NCSC Filip Waeytens, NATO NCSC