CVE-2026-56747

Code Injection in JSON Pointer Processing Component in Cribl Stream

Published Jul 27, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade Cribl Stream to v4.18.2 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:cribl:cribl_stream:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Cribl
Cribl cribl Stream
Vendors & Products Cribl
Cribl cribl Stream
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Code Injection in JSON Pointer Processing Component in Cribl Stream
Weaknesses CWE-94
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Cribl
Published
Updated
Jul 27, 2026, 8:23 PM
Reserved
Jun 22, 2026, 8:02 PM
Status
Analyzed
Published
Jul 27, 2026, 8:16 PM
Modified
Oct 24, 2026, 1:10 PM