← Vulnerability feed

Vulnerability record · CVE-2026-2038 · published 20 February 2026

CVE-2026-2038: Gfi archiver missing authorization vulnerability

Gfi · Archiver

GFI Archiver MArc.Core 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.Core.Remoting.exe process, which listens on port 8017. 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-27934.

9.8 CVSS 3.1 Critical EPSS 0.66% · top 50.4% CWE-862 · Missing authorization
9.8CVSS 3.1 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

GFI Archiver MArc.Core 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.Core.Remoting.exe process, which listens on port 8017. 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-27934.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.zerodayinitiative.com/advisories/ZDI-26-075/ Third Party Advisory

Track CVE-2026-2038 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-2039Gfi archiver missing authorization vulnerabilityGFI Archiver MArc.Store Missing Authorization Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authenticatio…EPSS 0.69%9.8CVE-2024-11948Gfi archiver vulnerabilityGFI Archiver Telerik Web UI Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected ins…EPSS 1.4%9.8CVE-2021-29281Gfi archiver unrestricted file upload vulnerabilityFile upload vulnerability in GFI Mail Archiver versions up to and including 15.1 via insecure implementation of Telerik Web UI plugin which is affect…EPSS 2.6%8.8CVE-2026-2036Gfi archiver deserialization of untrusted data vulnerabilityGFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute …EPSS 1.2%8.8CVE-2026-2037Gfi archiver deserialization of untrusted data vulnerabilityGFI Archiver MArc.Core Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute a…EPSS 1.2%8.8CVE-2024-11947Gfi archiver deserialization of untrusted data vulnerabilityGFI Archiver Core Service Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execut…EPSS 0.79%8.8CVE-2024-11949Gfi archiver deserialization of untrusted data vulnerabilityGFI Archiver Store Service Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execu…EPSS 0.79%9.9CVE-2026-84869ScreenConnect client allows unauthorized file transfer and execution in remote sessionsA flaw in the ConnectWise ScreenConnect client lets files be transferred and executed inside an active remote session without authorization or Host c…KEVEPSS 0.92%analysed

Source: NIST National Vulnerability Database (record CVE-2026-2038), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.