Thales SConnect prior 2.16.1.0 Native Host privileges management

Summaryinfo

A vulnerability has been found in Thales SConnect and classified as very critical. Impacted is an unknown function of the component Native Host. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2026-18397. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Thales SConnect and classified as very critical. This issue affects an unknown part of the component Native Host. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at thalesgroup.com. The identification of this vulnerability is CVE-2026-18397 since 07/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/02/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 2.16.1.0 eliminates this vulnerability.

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Productinfo

Vendor

• Thales

Name

• SConnect

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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