Path Traversal in GNU Sed
CVE-2026-9154
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · 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-2026-9154?
- CVE-2026-9154 is a high-severity vulnerability in GNU Sed, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-06-25.
- How severe is CVE-2026-9154?
- High severity. CVSS v3 base score is 7.1 out of 10.