CVE-2026-3469: Input Validation

Q: What is the severity of CVE-2026-3469?

CVE-2026-3469 is classified as a high-severity denial-of-service vulnerability.

Q: How do I fix CVE-2026-3469?

To fix CVE-2026-3469, apply the recommended security patches provided by SonicWall for the Email Security appliance.

Q: Who is affected by CVE-2026-3469?

CVE-2026-3469 affects users of the SonicWall Email Security appliance with improper input validation that allows for potential DoS attacks.

Q: What type of attack is possible with CVE-2026-3469?

CVE-2026-3469 allows a remote authenticated attacker to cause the SonicWall Email Security application to become unresponsive.

Q: Is authentication required to exploit CVE-2026-3469?

Yes, CVE-2026-3469 requires an attacker to be an authenticated admin user to exploit the vulnerability.

Published Mar 31, 2026

Updated

A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive.

Affected Software

7 affected components

SonicWall SonicWall Email Security

All of the following

SonicWall Email Security<10.0.35.8405

Any of the following

SonicWall Esa5000

SonicWall Esa5050

SonicWall Esa7000

SonicWall Esa7050

SonicWall Esa9000

Event History

Mar 31, 2026

CVE Published

via MITRE·08:18 PM

Data Sourced

via MITRE·08:18 PM

DescriptionWeakness

Data Sourced

via NVD·09:16 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2026-3469?

CVE-2026-3469 is classified as a high-severity denial-of-service vulnerability.

How do I fix CVE-2026-3469?

To fix CVE-2026-3469, apply the recommended security patches provided by SonicWall for the Email Security appliance.

Who is affected by CVE-2026-3469?

CVE-2026-3469 affects users of the SonicWall Email Security appliance with improper input validation that allows for potential DoS attacks.

What type of attack is possible with CVE-2026-3469?

CVE-2026-3469 allows a remote authenticated attacker to cause the SonicWall Email Security application to become unresponsive.

Is authentication required to exploit CVE-2026-3469?

Yes, CVE-2026-3469 requires an attacker to be an authenticated admin user to exploit the vulnerability.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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