CVE-2026-8658: Rapid7 InsightConnect Tcpdump Plugin · OS Command Injection
Affects Rapid7 InsightConnect Tcpdump PluginSource CVE Database V5
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
- 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:LExploitation evidence
Disclosed: evidence found.
CVE published 25 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Rapid7InsightConnect Tcpdump Plugin | Affected
| Fixed in
|
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.