CVE-2026-39363

high Red Hat
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: April 7, 2026 (36 days ago)
Last Modified: April 7, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in Vite, a frontend tooling framework. A remote attacker can exploit this vulnerability by connecting to the Vite development server's WebSocket without an Origin header. This allows the attacker to invoke the fetchModule function, enabling them to retrieve the contents of arbitrary files on the server. This information disclosure can lead to unauthorized access to sensitive data.

CWE

CWE-1220

Affected Products

Red Hat Advanced Cluster Security 4Red Hat Ansible Automation Platform 2Red Hat Build of KeycloakRed Hat Build of Podman DesktopRed Hat Build of Podman Desktop - Tech PreviewRed Hat JBoss Enterprise Application Platform 8Red Hat JBoss Enterprise Application Platform Expansion PackRed Hat OpenShift Container Platform 4

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com