Vulnerability · Published Jul 27, 2026 · Assigned by Cribl
CVE-2026-56747Code Injection in JSON Pointer Processing Component in Cribl Stream
High 8.8
In plain English
A high-severity code injection in Cribl Stream from Cribl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 47.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cribl | Cribl Stream | 0 – before 4.18.2 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- Cribl Stream 4.18.2 Security Fixes release-notes
- Cribl Trust Portal vendor-advisory