How severe is CVE-2026-3469?

CVE-2026-3469 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-3469 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3469?

CVE-2026-3469 affects Sonicwall Email Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3469?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3469 have an EU (EUVD) identifier?

Yes. CVE-2026-3469 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17642.

When was CVE-2026-3469 published?

CVE-2026-3469 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-3469

CVE-2026-3469 is a low-severity vulnerability in Sonicwall Email Security with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17642
Weakness: CWE-20
Affected product: Sonicwall Email Security
Published: 2026-03-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-3469?: 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.
How severe is CVE-2026-3469?: CVE-2026-3469 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-3469 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3469?: CVE-2026-3469 affects Sonicwall Email Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3469?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3469 have an EU (EUVD) identifier?: Yes. CVE-2026-3469 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17642.
When was CVE-2026-3469 published?: CVE-2026-3469 was published on 2026-03-31 and last updated on 2026-06-17.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002

Affected products (1)

cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*

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