Intelliants Subrion CMS up to 4.2.1 Admin Panel File Deletion Endpoint unlink path traversal

Summaryinfo

A vulnerability categorized as problematic has been discovered in Intelliants Subrion CMS up to 4.2.1. This affects the function unlink of the component Admin Panel File Deletion Endpoint. Such manipulation leads to path traversal. This vulnerability is listed as CVE-2026-72604. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Intelliants Subrion CMS up to 4.2.1. It has been rated as problematic. Affected by this issue is the function unlink of the component Admin Panel File Deletion Endpoint. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A path traversal vulnerability in Intelliants Subrion CMS through 4.2.1 allows authenticated administrators to delete arbitrary files on the server via the admin panel file deletion endpoint. The endpoint passes a user-supplied file path directly to unlink() without sanitization or path canonicalization. An authenticated administrator can delete sensitive system files outside the web root, potentially causing server instability or facilitating further attacks.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-72604 since 08/10/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/11/2026). The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-56043). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Content Management System

Vendor

• Intelliants

Name

• Subrion CMS

Version

• 4.2.0
• 4.2.1

License

• open-source

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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