8.8

CVE-2026-8658: rapid7 insightconnect_tcpdump OS Command Injection

CVSS: 8.8v3.1HighAnalyzed
Published 25-06-2026Last modified 25-06-2026

Vulnerability summary

CVE-2026-8658 is a high (CVSS 8.8) OS Command Injection vulnerability in rapid7 insightconnect_tcpdump. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 69.9% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-06-2026
    PublishedVulnerability first disclosed.
  2. 25-06-2026
    Last modifiedVulnerability information updated.

Description

OS Command Injection vulnerability in Rapid7 InsightConnect Tcpdump Plugin on Linux allows authenticated attackers to execute arbitrary OS commands via the options or filter parameters due to insufficient input sanitization in shell command construction.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.29%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.29% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 2 products

References

1 links