CVE-2026-19111

Insecure direct object reference in Strands Agents Tools memory tool namespace isolation

Published Aug 6, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Insecure direct object reference in Strands Agents Tools memory tool namespace isolation
First Time appeared Aws
Aws strands-agents-tools
Weaknesses CWE-639
CPEs cpe:2.3:a:aws:strands-agents-tools:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws strands-agents-tools
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Aug 7, 2026, 5:44 PM
Reserved
Aug 6, 2026, 2:01 PM
Status
Awaiting Analysis
Published
Aug 6, 2026, 10:16 PM
Modified
Oct 23, 2026, 9:10 PM