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…
Published Mar 31, 2026 · corrected/updated Jul 24, 2026 · sonicwall email security · evidence confidence medium
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-3469 is a low public vulnerability record for sonicwall email security. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether sonicwall email security is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: sonicwall/email security. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 2.7. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-20. Sources contributing to this record: cve_org, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 31, 2026 · NIST NVD
Detected
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.
Jul 24, 2026 · NIST NVD
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
- cpe sonicwall/email securityversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-3469
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov