CVE-2026-56747

HighCVSS 8.8/10Last modified Oct 24, 2026

Description

Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
Cribl	Cribl Stream	< 4.18.2

References

https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixesRelease Notes
https://trust.cribl.io/notificationsVendor Advisory

Timeline

Published: Jul 27, 2026
Last modified: Oct 24, 2026
NVD status: Analyzed

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