CVE-2026-2039
criticalpriority · track · 39OT risk · elevatedEPSS 0.007 · 54 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.3–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://gfi.ai/products-and-solutions/network-security-solutions/archiver/resources/documentation/product-releasesPatchcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-26-077/cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-26-077/enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-26-077/Third Party Advisorynvd
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