CVE-2026-6350

CRITICALNVD 9.89.8—

9.8

MailGates/MailAudit developed by Openfind has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and execute arbitrary code.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 24.4%
KEV: Not listed

Published

April 16, 2026

Last Modified

May 19, 2026

Advisory Details (1)

Auto-updated May 20, 2026

No patch confirmed yet. Sources: cert.

cert

Openfind｜MailGates/MailAudit - 2 Vulnerabilities-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

https://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-121Stack-based Buffer Overflow

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 11:22 UTCepss_batch
2026-05-20 07:44 UTCEG score recompute
2026-05-20 07:44 UTCGHSA enrichment
2026-05-20 03:29 UTCEG score recompute
2026-05-20 03:29 UTCGHSA enrichment
2026-05-19 23:14 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-6350?

CVE-2026-6350 is a critical vulnerability published on April 16, 2026. MailGates/MailAudit developed by Openfind has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and execute arbitrary code.

When was CVE-2026-6350 disclosed?

CVE-2026-6350 was first published in the National Vulnerability Database on April 16, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-6350 actively exploited?

CVE-2026-6350 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-6350?

CVE-2026-6350 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-6350?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6350, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-6350

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Openfind｜MailGates/MailAudit - 2 Vulnerabilities-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-6350?

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Advisory Details (1)

Frequently asked(5)

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