How severe is CVE-2026-3468?

CVE-2026-3468 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-3468 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3468?

CVE-2026-3468 affects Sonicwall Email Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3468?

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

Does CVE-2026-3468 have an EU (EUVD) identifier?

Yes. CVE-2026-3468 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17640.

When was CVE-2026-3468 published?

CVE-2026-3468 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-3468

CVE-2026-3468 is a medium-severity vulnerability in Sonicwall Email Security with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17640
Weakness: CWE-79
Affected product: Sonicwall Email Security
Published: 2026-03-31
Last modified: 2026-06-17

Description

A stored Cross-Site Scripting (XSS) vulnerability has been identified in the SonicWall Email Security appliance due to improper neutralization of user-supplied input during web page generation, allowing a remote authenticated attacker as admin user to potentially execute arbitrary JavaScript code.

Frequently asked questions

What is CVE-2026-3468?: A stored Cross-Site Scripting (XSS) vulnerability has been identified in the SonicWall Email Security appliance due to improper neutralization of user-supplied input during web page generation, allowing a remote authenticated attacker as admin user to potentially execute arbitrary JavaScript code.
How severe is CVE-2026-3468?: CVE-2026-3468 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-3468 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3468?: CVE-2026-3468 affects Sonicwall Email Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3468?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3468 have an EU (EUVD) identifier?: Yes. CVE-2026-3468 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17640.
When was CVE-2026-3468 published?: CVE-2026-3468 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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