CVE-2026-6351 PUBLISHED

Openfind｜MailGates/MailAudit - CRLF Injection

Assigner: twcert
Reserved: 15.04.2026 Published: 16.04.2026 Updated: 16.04.2026

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

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Openfind
Product	MailGates
Versions	Default: unaffected affected from 6.0 to 6.1.10.054 (excl.) affected from 5.0 to 5.2.10.099 (excl.)

Vendor	Openfind
Product	MailAudit
Versions	Default: unaffected affected from 6.0 to 6.1.10.054 (excl.) affected from 5.0 to 5.2.10.099 (excl.)

Solutions

MailGates/MailAudit 6.0： Update to version 6.1.10.054 or later

MailGates/MailAudit 5.0： Update to version 5.2.10.099 or later

References

Problem Types

CWE-93 Improper neutralization of CRLF sequences ('CRLF injection') CWE

Impacts

CAPEC-15 Command Delimiters