CVE-2026-56747

HIGH 8.8

Code Injection in JSON Pointer Processing Component in Cribl Stream

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-94
Vendor	cribl
Product	cribl stream
Published	Jul 27, 2026
Last Updated	Jul 27, 2026

Stay Ahead of the Next One

Get instant alerts for cribl cribl stream

Be the first to know when new high vulnerabilities affecting cribl cribl stream are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Cribl / Cribl Stream

0 < 4.18.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

docs.cribl.io: https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes trust.cribl.io: https://trust.cribl.io/notifications

Credits

Robert Lackey, Cribl Product Security