Oversized CHART SLOT Vulnerability in Netdata Observability Tool
CVE-2026-83600

6.5MEDIUM

Key Information:

Vendor: Netdata
Status: Netdata
Vendor: CVE Published:; 22 September 2026

What is CVE-2026-83600?

Netdata, an open-source observability tool, is affected by a vulnerability that allows an authenticated child agent to send an oversized CHART SLOT value. This leads to memory allocation issues as str2ull_encoded requests an excessively large chart-pointer array, which can cause the parent Netdata agent to abort and disable centralized monitoring. This issue has been resolved in version 2.10.4 and nightly build 2.10.0-782-nightly, reinforcing the importance of upgrading to maintain system stability and security.