CVE-2026-56747 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

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

Related Weaknesses (CWE)

CWE-94

References

FAQ

What is CVE-2026-56747?

CVE-2026-56747 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 JavaScrip...

How severe is CVE-2026-56747?

CVE-2026-56747 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-56747?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.