Vulnerability Details: GFI Archiver MArc.Store Missing Authorization Authentication Bypass Vulnerability CVE ID: CVE-2026-2039 CVSS Score: 7.3, AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Affected Vendors: GFI Affected Products: Archiver Vulnerability Details Description: This vulnerability allows remote attackers to bypass authentication on affected installations of GFI Archiver. Authentication is not required to exploit this vulnerability. Specific Flaw: The flaw exists within the configuration of the MArc.Store.Remoting.exe process, which listens on port 8018. The issue results from the lack of authorization prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of SYSTEM. Additional Details Fixed in Version: 15.11 Documentation Link: https://gfi.ai/products-and-solutions/network-security-solutions/archiver/resources/documentation/product-releases Disclosure Timeline 2025-11-19: Vulnerability reported to vendor 2026-02-12: Coordinated public release of advisory 2026-02-12: Advisory Updated Credit Anonymous