CVE-2026-9153: GNU Sed

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• GNU Sed: version 4.2.2 only

Published 2026-06-25. Last modified 2026-06-27.