CVE-2026-9155 | THREATINT

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.

PUBLISHED Reserved 2026-05-21 | Published 2026-06-25 | Updated 2026-06-25 | Assigner rapid7

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

Default status

unaffected

Any version before 2.0.5

affected

2.0.5 (custom)

unaffected

Credits

Jacob Steadman, Rapid7 finder

Jed Starr, Rapid7 finder

Sebastián Alba Vives (@Sebasteuo / 0xs4bbi), Independent security researcher, Costa Rica finder

References

extensions.rapid7.com/extension/sed vendor-advisory

cve.org (CVE-2026-9155)

nvd.nist.gov (CVE-2026-9155)

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