Name: CVE-2026-49383: Improper Restriction of XML External Entity Reference
Creator: Rapid7
Published: 2026-05-29T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-49383, CWE-611, CVSS 3.3, EPSS 0.00145

In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible

CVSS Details

CVSS 3.1 Base Score: 3.3
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Jetbrains Intellij Idea	—	Update your IntelliJ IDEA to the latest available version	Jul 8, 2026	May 29, 2026

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence