Path Traversal in GNU Sed
CVE-2026-9153
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- GNU Sed — versions 4.2.2
- Linux Kernel
- Rapid7 Insightconnect Sed Plugin — versions 0, 2.0.5
Weakness classification (CWE)
References
- extensions.rapid7.com/extension/sed (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-9153?
- CVE-2026-9153 is a medium-severity vulnerability in GNU Sed, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-25.
- How severe is CVE-2026-9153?
- Medium severity. CVSS v3 base score is 6.5 out of 10.