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CVE-2026-2038— GFI Archiver MArc.Core Missing Authorization Authentication Bypass Vulnerability

Quick assessment

Affected
GFI Archiver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GFI Archiver是GFI公司的一个电子邮件存档软件。用于保护、存储和检索您的电子通信。 GFI Archiver存在安全漏洞，该漏洞源于MArc.Core.Remoting.exe进程配置中缺乏授权检查，可能导致身份验证绕过。

AI Predicted 9.8 Difficulty: Easy EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2038

Vulnerability Information
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Vulnerability Title
GFI Archiver MArc.Core Missing Authorization Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
GFI Archiver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GFI Archiver是GFI公司的一个电子邮件存档软件。用于保护、存储和检索您的电子通信。 GFI Archiver存在安全漏洞，该漏洞源于MArc.Core.Remoting.exe进程配置中缺乏授权检查，可能导致身份验证绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GFI Archiver 15.10 -

II. Public POCs for CVE-2026-2038

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-2038

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Same Patch Batch · GFI · 2026-02-20 · 4 CVEs total

CVE-2026-2039 GFI Archiver MArc.Store Missing Authorization Authentication Bypass Vulnerability
CVE-2026-2036 GFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerabil
CVE-2026-2037 GFI Archiver MArc.Core Deserialization of Untrusted Data Remote Code Execution Vulnerabili

IV. Related Vulnerabilities

Same product: Archiver
Same vendor: GFI
Same weakness: CWE-862

V. Comments for CVE-2026-2038

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