CVE-2026-9154
HighCVSS 7.1Exploitation Probability (EPSS)
Low risk19th percentile - higher than 19% of all known CVEs
Summary
Arbitrary File Write vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to write attacker-controlled content to arbitrary file paths via the expression parameter.
Risk Assessment
The risk involves overwriting critical system or configuration files, potentially leading to privilege escalation, permanent system damage, or application takeover.
Recommendation
Immediately update the Sed Plugin to the latest version and restrict access to the expression parameter to trusted users only.
Other vulnerabilities in Rapid7 InsightConnect Sed Plugin on Linux
See all- CVE-2026-9155High
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.
- CVE-2026-9153Medium
Arbitrary File Read vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to read arbitrary files via the expression parameter due to insufficient input validation.
Original NVD description (English source)
Arbitrary File Write vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to write attacker-controlled content to arbitrary file paths via the expression parameter.

