Medium severity · published Jun 25, 2026
CVE-2026-9154
Arbitrary File Write in Rapid7 InsightConnect Sed Plugin
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IS
InsightConnect Sed Plugin · Rapid7
before 2.0.5 · source: vendor
SE
Sed · Gnu
4.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9154
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9154
Vendor Advisory
https://extensions.rapid7.com/extension/sed
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