CVE-2026-19111

Received Received - Intake

Insecure Direct Object Reference in Amazon Strands Agents Tools

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: AMZN

Description

Insecure direct object reference in the mongodb_memory, elasticsearch_memory, and mem0_memory tools in Amazon Strands Agents Tools before 0.8.3 might allow remote authenticated users to access, modify, or delete memories belonging to other tenants by influencing the LLM to emit tool calls with a forged namespace parameter. To remediate this issue, users should upgrade to version 0.8.3.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-06

Last Modified

2026-08-06

Generated

2026-08-07

AI Q&A

2026-08-07

EPSS Evaluated

N/A

NVD

CVE-2026-19111

Affected Vendors & Products

Vendor	Product	Version / Range
amazon	strands_agents_tools	0.8.3

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

This vulnerability is an insecure direct object reference in Amazon Strands Agents Tools before version 0.8.3. It affects the mongodb_memory, elasticsearch_memory, and mem0_memory tools. A remote authenticated user could exploit this by manipulating the LLM to send tool calls with a forged namespace parameter, allowing access, modification, or deletion of memories belonging to other tenants.

Impact Analysis

If exploited, this vulnerability could allow unauthorized access to sensitive data stored in memories, leading to data breaches, data loss, or unauthorized modifications. Users relying on Amazon Strands Agents Tools for memory management could face privacy violations or operational disruptions.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other privacy regulations due to unauthorized data access or exposure. Organizations may face legal penalties, reputational damage, and loss of customer trust if such breaches occur.

Mitigation Strategies

Upgrade Amazon Strands Agents Tools to version 0.8.3 or later to remediate the insecure direct object reference vulnerability.

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