AstrBot up to 3.5.22 /plugin/install-upload file.save file_path path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in AstrBot up to 3.5.22. Affected is the function file.save of the file /plugin/install-upload. Such manipulation of the argument file_path leads to path traversal. This vulnerability is referenced as CVE-2025-57698. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in AstrBot up to 3.5.22. It has been rated as critical. Affected by this issue is the function file.save of the file /plugin/install-upload. The manipulation of the argument file_path 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:

AstrBot Project v3.5.22 contains a directory traversal vulnerability. The handler function install_plugin_upload of the interface '/plugin/install-upload' parses the filename from the request body provided by the user, and directly uses the filename to assign to file_path without checking the validity of the filename. The variable file_path is then passed as a parameter to the function `file.save`, so that the file in the request body can be saved to any location in the file system through directory traversal.

The advisory is available at github.com. This vulnerability is handled as CVE-2025-57698 since 08/17/2025. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/07/2025). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

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

Name

• AstrBot

Version

• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 3.5.14
• 3.5.15
• 3.5.16
• 3.5.17
• 3.5.18
• 3.5.19
• 3.5.20
• 3.5.21
• 3.5.22

CPE 2.3info

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CPE 2.2info

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