CVE-2026-6351

HIGHNVD 7.57.5—

7.5

MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 9.7%
KEV: Not listed

Published

April 16, 2026

Last Modified

May 19, 2026

References (2)

twcert@certhttps://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html
twcert@certhttps://www.twcert.org.tw/tw/cp-132-10844-1405d-1.html

Weakness Classification(1)

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

CWE-93CRLF Injection

Data Freshness Timeline

(refreshed 10× in last 7d / 15× 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
2026-05-29 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 17:03 UTCEG score recompute
2026-05-20 17:03 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-6351?

CVE-2026-6351 is a high vulnerability published on April 16, 2026. MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.

When was CVE-2026-6351 disclosed?

CVE-2026-6351 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-2026-6351 actively exploited?

CVE-2026-6351 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-6351?

CVE-2026-6351 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-6351?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6351, 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-2026-6351

📅 Published

🔄 Last Modified

🔗 References (2)