CVE-2026-9154 Arbitrary File Write in Rapid7 InsightConnect Sed Plugin
Authenticated attackers can write arbitrary files to the system via the expression parameter in the Rapid7 InsightConnect Sed Plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9154?
CVE-2026-9154 is a high-severity path traversal vulnerability in Rapid7 InsightConnect Sed Plugin, published on 25 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-9154?
It affects 1 product.
Products include Gnu Sed.
How do I fix CVE-2026-9154?
No fix has been published for CVE-2026-9154 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-9154 being exploited?
There is no known exploitation of CVE-2026-9154 in the wild and no public exploit code.
Other vulnerabilities in Rapid7 InsightConnect Sed Plugin
Sources
Also known as GHSA-9723-5cpr-v9rm.