SonicWall GMS Vulnerability CVE-2026-109593 Exposes Sensitive Files

## Overview SonicWall disclosed a critical vulnerability, CVE-2026-109593, affecting the Global Management System (GMS) version 9.5.2 and earlier. This flaw allows unauthenticated attackers with network access to read internal GMS files. Sensitive information may be exposed as a result. ## Technical Details The vulnerability arises from improper access controls within SonicWall GMS. An attacker can exploit this flaw remotely, without authentication, to access internal files. The CVSS score for this vulnerability is 9.1, indicating a high severity level. This makes it a prime target for attackers looking to exploit network weaknesses. ## Impact If exploited, this vulnerability could lead to the exposure of sensitive information stored within the GMS. Organizations relying on SonicWall GMS for network management and security may face significant risks, including data breaches and compliance violations. The potential for data leakage poses a serious threat to both the organization and its clients. ## Mitigation Defenders should take immediate action by updating to the latest version of SonicWall GMS. SonicWall has released patches to address this vulnerability. Ensure that all instances of GMS are upgraded as soon as possible. Additionally, restrict network access to the GMS to trusted sources only. Regularly review access controls and monitor for any unauthorized access attempts.