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HIGH · 8.8

CVE-2026-9155

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 v...

Vulnerability Description

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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
GnuSed4.2.2
LinuxLinux Kernel-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2026-9155?

CVE-2026-9155 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 v...

How severe is CVE-2026-9155?

CVE-2026-9155 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9155?

Check the references section above for vendor advisories and patch information. Affected products include: Gnu Sed, Linux Linux Kernel.