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CVE-2026-2039
CRITICAL9.8
Description
GFI Archiver MArc.Store Missing Authorization Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of GFI Archiver. Authentication is not required to exploit this vulnerability. The specific 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. Was ZDI-CAN-28597.
CVE Details
CVSS v3.1 Score9.8
SeverityCRITICAL
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published2/20/2026
Last Modified2/24/2026
Sourcenvd
Honeypot Sightings0
Affected Products
gfi:archiver
Weaknesses (CWE)
CWE-862
References
https://www.zerodayinitiative.com/advisories/ZDI-26-077/(zdi-disclosures@trendmicro.com)
IOC Correlations
No correlations recorded
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