CVE-2026-84832
Received Received - Intake

SEPPmail Secure Email Gateway Command Injection Vulnerability

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Switzerland Government Common Vulnerability Program

Description
SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with "nobody" privileges.

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-84832
EUVD
EUVD-2026-70364

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
seppmail secure_email_gateway to 15.0.6 (exc)
wwbn avideo *

Helpful Resources

Exploitability

CWE
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KEV
KEV Icon
CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

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Executive Summary

CVE-2026-84832 is a vulnerability in WWBN/AVideo where an unauthenticated playlist feed endpoint incorrectly exposes unlisted and group-restricted videos. The Video::getAllVideos() function ignores visibility settings when a video ID list is provided, allowing attackers to access restricted content by enumerating playlist IDs.

Impact Analysis

This vulnerability allows attackers to access unlisted videos or videos restricted to specific groups without authentication. It could expose sensitive video titles or direct links to private content, potentially leaking confidential information.

Mitigation Strategies

Update SEPPmail Secure Email Gateway to version 15.0.6 or later to address the deserialization vulnerability. Disable privileged API token access if not required and restrict API access to trusted networks or users.

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