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VulnerabilityPublished

CVE-2026-8658: Rapid7 InsightConnect Tcpdump Plugin · OS Command Injection

Affects Rapid7 InsightConnect Tcpdump PluginSource CVE Database V5

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Not known to be exploited · CVSS 6.0 Medium : upgrade to 2.0.0 when convenient.

Data as of 7 Nov 2026, 23:24 UTC

CVSS 3.1 base score
6.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.2% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.0.0
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade Rapid7 InsightConnect Tcpdump Plugin to 2.0.0.

Affected software

ProductAffectedFixed in
Rapid7InsightConnect Tcpdump PluginAffected
  • <2.0.0
Fixed in
  • 2.0.0

AI-suggested

If you cannot patch yet, restrict access to the InsightConnect Tcpdump Plugin to trusted users only and monitor for suspicious activity related to command execution. Avoid passing untrusted input to the plugin's options or filter parameters.

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.

References

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