8.8high
CVE-2026-9155
OS Command Injection in Rapid7 InsightConnect Sed Plugin via expression parameter.
Published 4 mo ago · modified 12 d ago · JSON
CVSS
8.8
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
1.6%
percentile 76%
Public exploits
0
none known
Summary
OS Command Injection vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to execute arbitrary OS commands via the expression parameter due to insufficient input validation.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4 mo ago
Exploit prediction (EPSS)
1.60% probability of exploitation in the next 30 days, higher than 76% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Rapid7 InsightConnect Sed Plugin
Classification
- Weakness
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
- extensions.rapid7.com /extension/sed · vendor-advisory
Sources
- CVE List: CVE-2026-9155
- NVD: CVE-2026-9155
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