Critical MailGates Flaw Lets Attackers Run Wild
The National Vulnerability Database (NVD) has flagged a critical stack-based buffer overflow vulnerability in Openfind’s MailGates/MailAudit software. This flaw, identified as CVE-2026-6350, carries a CVSS score of 9.8, placing it firmly in the ‘Critical’ severity bracket. Attackers can exploit this vulnerability remotely and without authentication, potentially hijacking the program’s execution flow to deploy arbitrary code.
The vulnerability stems from a CWE-121 classification, specifically a stack-based buffer overflow. This class of vulnerability often allows attackers to overwrite critical memory areas, leading to code execution. The NVD details indicate that successful exploitation could grant attackers full control over the affected system, impacting confidentiality, integrity, and availability.
Related ATT&CK Techniques
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Web Application Exploitation Attempt — CVE-2026-6350
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Get All SIEM Formats →Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6350 | Buffer Overflow | Openfind MailGates |
| CVE-2026-6350 | Buffer Overflow | Openfind MailAudit |
| CVE-2026-6350 | RCE | Stack-based Buffer Overflow allowing arbitrary code execution |
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