IAHispano Applio up to 3.2.8-bugfix train.py path traversal

Summaryinfo

A vulnerability, which was classified as critical, has been found in IAHispano Applio up to 3.2.8-bugfix. The affected element is an unknown function of the file train.py. The manipulation leads to path traversal. This vulnerability is traded as CVE-2025-27783. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in IAHispano Applio up to 3.2.8-bugfix and classified as critical. This issue affects an unknown functionality of the file train.py. 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. The summary by CVE is:

Applio is a voice conversion tool. Versions 3.2.8-bugfix and prior are vulnerable to arbitrary file write in train.py. This issue may lead to writing arbitrary files on the Applio server. It can also be used in conjunction with an unsafe deserialization to achieve remote code execution. As of time of publication, no known patches are available.

It is possible to read the advisory at securitylab.github.com. The identification of this vulnerability is CVE-2025-27783 since 03/06/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/01/2025). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• IAHispano

Name

• Applio

Version

• 3.2.8-bugfix

CPE 2.3info

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CPE 2.2info

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• 🔍

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