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Paper ID:IJSREM64760

AI-Powered Vector Databases: Security Vulnerabilities, Privacy Preservation Mechanisms, and Governance Frameworks

Stream/Area:

-

Subject:

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Paper ID:

IJSREM64760

Volume:

10 |

6 |

Jun 2026

Pages:

1-7

Publication Frequency:

Monthly (12 issues per year)

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Not assigned

License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

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Authors

Vikram Khengare

Vikram Khengare

Computer Science and Engineering

Sarvepalli Radhakrishnan University, Bhopal, India

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Dr. Varsha Namdeo

Computer Science and Engineering

Sarvepalli Radhakrishnan University, Bhopal, India

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Abstract

The widespread adoption of AI-powered vector databases in enterprise and cloud environments has introduced a novel class of security and privacy challenges that are distinct from those encountered in traditional relational or document-based storage systems. Embedding vectors, while numerically opaque, encode recoverable semantic information about the original data from which they were derived, creating previously unrecognized data exfiltration and inference attack surfaces. This paper provides the first comprehensive security-oriented analysis of vector database systems, examining attack vectors including embedding inversion attacks, membership inference, adversarial query injection, and unauthorized index reconstruction. We further analyze privacy preservation mechanisms applicable to vector storage, including differential privacy perturbation of embeddings, homomorphic similarity search, and federated vector indexing. A governance framework is proposed that defines access control policies, audit logging requirements, and data retention obligations specific to vector data assets under GDPR, CCPA, and the emerging EU AI Act. Our analysis reveals significant gaps between current platform security capabilities and the requirements imposed by regulatory frameworks, and outlines a research agenda to close these gaps. Empirical evaluation of differential privacy mechanisms demonstrates that epsilon values between 0.5 and 2.0 provide meaningful privacy protection while incurring recall degradation of less than 8% on standard benchmark datasets.

KEYWORDS

Vector Database Security Embedding Inversion Differential Privacy Membership Inference Attack Federated Vector Search GDPR Compliance AI Governance Homomorphic Encryption Access Control

Cite This Article

Vikram Khengare, Dr. Varsha Namdeo, "AI-Powered Vector Databases: Security Vulnerabilities, Privacy Preservation Mechanisms, and Governance Frameworks," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 6, pp. 1-7, Jun 2026.

Full Article/Conclusion

This paper has presented the first comprehensive security and privacy analysis of AI-powered vector database systems, identifying a set of novel vulnerabilities — embedding inversion, membership inference, adversarial query injection, and index reconstruction — that are specific to the vector data paradigm and are not addressed by conventional database security frameworks. Our evaluation of platform security capabilities revealed significant gaps between the current state of the art and the requirements imposed by emerging data privacy regulations. The governance framework proposed in this paper provides a practical starting point for organizations seeking to deploy vector databases in regulated environments while managing their compliance obligations responsibly. As AI systems increasingly rely on vector databases as their primary knowledge retrieval infrastructure, the security and privacy properties of these systems will have far-reaching implications for the trustworthiness of AI applications broadly. Addressing the challenges identified in this paper requires coordinated progress across cryptography, machine learning security, database engineering, and regulatory policy — a multidisciplinary research agenda of growing importance.

References

[1] N. Carlini et al., "Extracting training data from large language models," Proceedings of USENIX Security Symposium, pp. 2633–2650, 2021. [2] N. Haim et al., "Reconstructing training data from trained neural networks," Advances in Neural Information Processing Systems, vol. 35, pp. 22911–22924, 2022. [3] C. Dwork, F. McSherry, K. Nissim, and A. Smith, "Calibrating noise to sensitivity in private data analysis," Proceedings of TCC, pp. 265–284, 2006. [4] M. Abadi et al., "Deep learning with differential privacy," Proceedings of ACM CCS, pp. 308–318, 2016. [5] Y. A. Malkov and D. A. Yashunin, "Efficient and robust approximate nearest neighbor search using hierarchical navigable small world graphs," IEEE TPAMI, vol. 42, no. 4, pp. 824–836, 2020. [6] C. Wang et al., "Milvus: A purpose-built vector data management system," Proceedings of ACM SIGMOD, pp. 2614–2627, 2021. [7] Z. Li et al., "Large language models can be easily distracted by irrelevant context," Proceedings of ICML, 2023. [8] T. Li et al., "Federated learning: Challenges, methods, and future directions," IEEE Signal Processing Magazine, vol. 37, no. 3, pp. 50–60, 2020. [9] J. Pan et al., "Survey of vector database management systems," The VLDB Journal, vol. 33, pp. 1591–1615, 2024. [10] P. Lewis et al., "Retrieval-augmented generation for knowledge-intensive NLP tasks," Advances in NeurIPS, vol. 33, pp. 9459–9474, 2020. [11] R. Shokri, M. Stronati, C. Song, and V. Shmatikov, "Membership inference attacks against machine learning models," Proceedings of IEEE S&P, pp. 3–18, 2017. [12] European Parliament, "Regulation (EU) 2016/679 (General Data Protection Regulation)," Official Journal of the European Union, 2016.

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Publication Date

6/11/2026

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