Skip to content
OpenAdvisories
Critical · 9.4 CVE-2026-18397 EUVD-2026-91132GHSA-cq27-3937-pqqv

SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability

Published Oct 1, 2026 · Updated Oct 2, 2026 · Assigned by THA-PSIRT

Description

This vulnerability enables unauthenticated remote code execution (RCE) on a victim's machine by exploiting a combination of cryptographic weaknesses and memory management issues in the SConnect native host component.

The attack leverages an unrestricted messaging interface between an attacker-controlled web page and the native host, allowing malicious input to bypass security checks.

Affected products

VendorProductAffectedFixed
Thales SConnect < 2.16.1.0 2.16.1.0

References