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CVE-2026-6351— Openfind｜MailGates/MailAudit - CRLF Injection

Quick assessment

Affected
Openfind MailGates
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.

Openfind MailGates和Openfind MailAudit都是中国网擎资讯（Openfind）公司的产品。Openfind MailGates是一套电子邮件安全防护系统。该系统支持电子邮件过滤和APT攻击防御等功能。Openfind MailAudit是一款应用于企业邮件安全审核的软件。 Openfind MailGates和Openfind MailAudit存在安全漏洞，该漏洞源于存在CRLF注入，可能导致读取系统文件。

CVSS 7.5 · High EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-6351

Vulnerability Information
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Vulnerability Title
Openfind｜MailGates/MailAudit - CRLF Injection
Source: CVE Program / CVE List V5
Vulnerability Description
MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Openfind MailGates和Openfind MailAudit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Openfind MailGates和Openfind MailAudit都是中国网擎资讯（Openfind）公司的产品。Openfind MailGates是一套电子邮件安全防护系统。该系统支持电子邮件过滤和APT攻击防御等功能。Openfind MailAudit是一款应用于企业邮件安全审核的软件。 Openfind MailGates和Openfind MailAudit存在安全漏洞，该漏洞源于存在CRLF注入，可能导致读取系统文件。
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
Openfind MailGates 6.0 ~ 6.1.10.054 -
Openfind MailAudit 6.0 ~ 6.1.10.054 -

II. Public POCs for CVE-2026-6351

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III. Intelligence Information for CVE-2026-6351

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IV. Related Vulnerabilities

Same product: MailGates
Same vendor: Openfind
Same weakness: CWE-93

V. Comments for CVE-2026-6351

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