CVE-2026-100389

Published: Set 25, 2026 Last Modified: Set 25, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 8,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

GestSup versions before 3.2.61 contain a remote code execution vulnerability in the basic IMAP connector's attachment handling that fails to skip blocked file extensions. Unauthenticated attackers can send emails with PHP attachments to monitored mailboxes, which are written to the web-accessible upload/ticket directory and executed when accessed.

434

Unrestricted Upload of File with Dangerous Type

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: ASP.NET, PHP, Not Language-Specific
Technologies: Web Server, AI/ML
Likelihood of Exploit: Medium
View CWE Details
https://gestsup.fr/index.php?page=changelog
https://gestsup.fr/index.php?page=changelog
https://gestsup.fr/index.php?page=download
https://gestsup.fr/index.php?page=download
https://www.vulncheck.com/advisories/gestsup-before-3.2.61-…
https://www.vulncheck.com/advisories/gestsup-before-3.2.61-remote-code-executio…