Atheos up to 601 /controller.php Target path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in Atheos up to 601. The affected element is an unknown function of the file /controller.php. Such manipulation of the argument Target leads to path traversal. This vulnerability is listed as CVE-2025-47788. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Atheos up to 601 and classified as critical. Affected by this issue is an unknown functionality of the file /controller.php. The manipulation of the argument target 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:

Atheos is a self-hosted browser-based cloud IDE. Prior to v602, similar to GHSA-rgjm-6p59-537v/CVE-2025-22152, the `$target` parameter in `/controller.php` was not properly validated, which could allow an attacker to execute arbitrary files on the server via path traversal. v602 contains a fix for the issue.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-47788 since 05/09/2025. 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 MITRE ATT&CK project declares the attack technique as T1006.

By approaching the search of inurl:controller.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 602 eliminates this vulnerability. Applying the patch 97fe76871578d2011ebe9281f3a005c5df85162b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• Atheos

Version

• 601

License

• open-source

Website

• Product: https://github.com/Atheos/Atheos/

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