Compliance Impact

The vulnerability allows unauthorized access to restricted collections by ignoring caller authorization context during collection routing. This improper access control can lead to unauthorized retrieval or summarization of sensitive or private data.

Such unauthorized access to private or sensitive data can potentially violate compliance requirements of common standards and regulations like GDPR and HIPAA, which mandate strict access controls and protection of personal and sensitive information.

If the application relies solely on DeepSearcher routing for access control without additional enforcement, it risks non-compliance due to exposure of data to unauthorized users.

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Impact Analysis

This vulnerability can lead to improper access controls, meaning unauthorized users might gain access to restricted functions or data within the deep-searcher application.

Since the exploit is publicly available and can be executed remotely, it increases the risk of attacks that could compromise system integrity or availability.

The CVSS scores indicate a low to medium severity impact, with potential partial confidentiality and availability impacts.

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Executive Summary

This vulnerability exists in the zilliztech deep-searcher software up to version 0.0.2, specifically in the function CollectionRouter.invoke within the file deepsearcher/agent/collection_router.py.

The issue arises from improper access controls caused by manipulation of the argument kwargs, which allows an attacker to bypass intended restrictions.

Because the vulnerability can be exploited remotely, an attacker can potentially perform unauthorized actions or access data without proper permissions.

A fix has been proposed via a pull request but has not yet been accepted.

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Detection Guidance

This vulnerability arises from improper access control in the CollectionRouter.invoke function of the deepsearcher/agent/collection_router.py file, allowing unauthorized access to restricted collections. Detection would involve monitoring or auditing calls to this function to see if unauthorized collection access is occurring.

Since the vulnerability is specific to the DeepSearcher application, detection commands would focus on inspecting logs or tracing calls within the DeepSearcher environment to identify if unauthorized collection routing is happening.

No explicit detection commands or network signatures are provided in the available resources.

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Mitigation Strategies

Immediate mitigation involves ensuring that collection routing respects the caller's authorized collection context to prevent unauthorized access.

Apply the fix from the pull request that enforces filtering of routing candidates and results by the caller-provided authorized collection sets. This fix propagates authorization context through RAG agents and vector database searches, aligning implementations to prevent unauthorized access.

If applying the fix is not immediately possible, enforce access control at the embedding application or vector database layer to ensure unauthorized users cannot retrieve or summarize content from restricted collections.

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