Cinnamon kotaemon up to 0.10.6 ui.py index_fn path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in Cinnamon kotaemon up to 0.10.6. Affected by this vulnerability is the function index_fn of the file libs/ktem/ktem/index/file/ui.py. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2025-53358. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Cinnamon kotaemon up to 0.10.6 and classified as critical. This vulnerability affects the function index_fn of the file libs/ktem/ktem/index/file/ui.py. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. CVE summarizes:

kotaemon is an open-source RAG-based tool for document comprehension. From versions 0.10.6 and prior, in libs/ktem/ktem/index/file/ui.py, the index_fn method accepts both URLs and local file paths without validation. The pipeline streams these paths directly and stores them, enabling attackers to traverse directories (e.g. ../../../../../.env) and exfiltrate sensitive files. This issue has been patched via commit 37cdc28, in version 0.10.7 which has not been made public at time of publication.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-53358 since 06/27/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Applying the patch 37cdc28ceb46e505d25221584daf1fe61e26b2cc is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19740). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Cinnamon

Name

• kotaemon

Version

• 0.10.0
• 0.10.1
• 0.10.2
• 0.10.3
• 0.10.4
• 0.10.5
• 0.10.6

License

• open-source

Website

• Product: https://github.com/Cinnamon/kotaemon/

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Once again VulDB remains the best source for vulnerability data.

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