What is CVE-2026-4837?

CVE-2026-4837 is a medium-severity vulnerability in Rapid7 Insight Agent, classified under Eval Injection. CVSS score: 6.6/10. Published 2026-04-08.

How severe is CVE-2026-4837?

Medium severity. CVSS v3 base score is 6.6 out of 10.

RCE in Rapid7 Insight Agent

CVE-2026-4837

An eval() injection vulnerability in the Rapid7 Insight Agent beaconing logic for Linux versions could theoretically allow an attacker to achieve remote code execution as root via a crafted beacon response. Because the Agent uses mutual TL…

EPSS: 0.004 (61.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rapid7 Insight Agent — versions 0
Rapid7 Insight_agent

Weakness classification (CWE)

CWE-95 — Eval Injection

References

cve@rapid7.com (Release Notes)

Frequently asked questions

What is CVE-2026-4837?: CVE-2026-4837 is a medium-severity vulnerability in Rapid7 Insight Agent, classified under Eval Injection. CVSS score: 6.6/10. Published 2026-04-08.
How severe is CVE-2026-4837?: Medium severity. CVSS v3 base score is 6.6 out of 10.