CVE-2026-8661

CVE-2026-8661CVE-2026-8661

Description

Server-Side Cross-Site Scripting and Server-Side Request Forgery vulnerability in the markdown_to_pdf action of Rapid7 InsightConnect Markdown Plugin version 3.1.4 and earlier on Linux allows remote attackers to execute JavaScript server-side and make arbitrary outbound HTTP requests via crafted content embedded in Markdown input. The PDF rendering engine does not restrict script execution or outbound network access.

Scoring

CVSS 4.8 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Last modified2026-06-26
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.