CVE-2026-84832

Deferred Deferred - Pending Action

SEPPmail Secure Email Gateway Command Injection Vulnerability

Publication date: 2026-09-03

Last updated on: 2026-09-04

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-03

Last Modified

2026-09-04

Generated

2026-09-23

AI Q&A

2026-09-03

EPSS Evaluated

2026-09-22

NVD

CVE-2026-84832

EUVD

EUVD-2026-70364

Affected Vendors & Products

Vendor	Product	Version / Range
seppmail	secure_email_gateway	to 15.0.6 (exc)
wwbn	avideo	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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.

Attack-Flow Graph

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.

Detection Guidance

The provided CVE data does not include specific detection methods or commands for CVE-2026-84832. The vulnerability involves broken access control in WWBN/AVideo's unauthenticated playlist feed endpoint. Manual testing may involve checking the feed/index.php?program_id endpoint for unauthorized access to unlisted or group-restricted videos.

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.

Compliance Impact

The vulnerability allows unauthorized access to unlisted or group-restricted videos, which could lead to exposure of sensitive content. This may violate data protection requirements under GDPR (e.g., unauthorized processing of personal data) or HIPAA (e.g., unauthorized disclosure of protected health information) if such content includes regulated data.

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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